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  1. Tecnologia Web para desenvolvedores
  2. CSS
  3. :only-of-type
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Neste artigo

  • Descrição
  • Sintaxe
  • Especificações
  • Navegadores compatíveis
  • Ver também
  1. CSS
  2. Tutoriais
  3. O básico de CSS
  4. CSS - primeiros passos
    1. Visão geral das primeiras etapas com CSS
    2. O que é CSS?
    3. Iniciando com CSS
    4. como CSS é estruturado
    5. Como CSS funciona
    6. Avaliação: Estilizando uma página biográfica
  5. CSS building blocks
    1. CSS building blocks overview
    2. seletores CSS
    3. Type, class, and ID selectors
    4. Attribute selectors
    5. Pseudo-classes and pseudo-elements
    6. Combinators
    7. Cascade and inheritance
    8. Cascade layers
    9. The box model
    10. Backgrounds and borders
    11. Tratamento de diferentes direções de texto
    12. Overflowing content
    13. Valores e unidades CSS
    14. Dimensionando itens em CSS
    15. Images, media, and form elements
    16. Estilização de tabelas
    17. Debugging CSS
    18. Organize seu CSS
    19. Assessment: Fundamental CSS comprehension
    20. Assessment: Creating fancy letterheaded paper
    21. Assessment: A cool-looking box
  6. Estilização de textos
    1. Visão geral da Estilização de textos
    2. Fundamentos da estilização de textos e fontes
    3. Estilização de listas
    4. Estilização de links
    5. Fontes Web
    6. Avaliação: Tipografia para a página inicial da escola pública local
  7. Esquemas CSS
    1. Visão geral de esquemas CSS
    2. Introdução a esquemas CSS
    3. Normal Flow
    4. Flexbox
    5. Grids
    6. "Floats" - Flutuando elementos
    7. Posicionamento
    8. Multiple-column layout
    9. Responsive design
    10. Beginner's guide to media queries
    11. Legacy layout methods
    12. Supporting older browsers
    13. Assessment: Fundamental Layout Comprehension
  8. Reference
  9. Modules
    1. CSS anchor positioning
    2. CSS animations
    3. CSS backgrounds and borders
    4. CSS Basic User Interface
    5. CSS box alignment
    6. CSS Box Model
    7. CSS box sizing
    8. CSS cascade and inheritance
    9. CSS custom properties for cascading variables
    10. CSS color adjustment
    11. CSS colors
    12. CSS compositing and blending
    13. CSS conditional rules
    14. CSS containment
    15. CSS counter styles
    16. CSS Display
    17. CSS filter effects
    18. CSS Flexible Box Layout
    19. CSS font loading
    20. CSS fonts
    21. CSS fragmentation
    22. CSS generated content
    23. CSS Grid Layout
    24. CSS Images
    25. CSS lists and counters
    26. CSS logical properties and values
    27. CSS masking
    28. Media queries
    29. CSS motion path
    30. CSS multi-column layout
    31. CSS namespaces
    32. CSS nesting
    33. CSS overflow
    34. CSS overscroll behavior
    35. CSS paged media
    36. CSS Positioning
    37. CSS properties and values API
    38. CSS pseudo-elements
    39. CSS ruby layout
    40. CSS scoping
    41. CSS scroll-driven animations
    42. CSS scroll snap
    43. CSS scrollbars styling
    44. Seletores CSS
    45. CSS shadow parts
    46. CSS shapes
    47. CSS syntax
    48. CSS table
    49. CSS text
    50. CSS text decoration
    51. CSS transforms
    52. CSS transitions
    53. CSS view transitions
    54. CSS writing modes
    55. CSSOM view
  10. Properties
    1. -moz-*
      1. -moz-float-edge Non-standard Deprecated
      2. -moz-force-broken-image-icon Non-standard Deprecated
      3. -moz-image-region Non-standard
      4. -moz-orient Non-standard
      5. -moz-user-focus Non-standard Deprecated
      6. -moz-user-input Non-standard Deprecated
    2. -webkit-*
      1. -webkit-border-before Non-standard
      2. -webkit-box-reflect Non-standard
      3. -webkit-line-clamp
      4. -webkit-mask-box-image Non-standard
      5. -webkit-mask-composite Non-standard
      6. -webkit-mask-position-x Non-standard
      7. -webkit-mask-position-y Non-standard
      8. -webkit-mask-repeat-x Non-standard
      9. -webkit-mask-repeat-y Non-standard
      10. -webkit-tap-highlight-color Non-standard
      11. -webkit-text-fill-color
      12. -webkit-text-security Non-standard
      13. -webkit-text-stroke
      14. -webkit-text-stroke-color
      15. -webkit-text-stroke-width
      16. -webkit-touch-callout Non-standard
    3. accent-color
    4. align-*
      1. align-content
      2. align-items
      3. align-self
    5. all
    6. anchor-name Experimental
    7. animation-*
      1. animation
      2. animation-composition
      3. animation-delay
      4. animation-direction
      5. animation-duration
      6. animation-fill-mode
      7. animation-iteration-count
      8. animation-name
      9. animation-play-state
      10. animation-range Experimental
      11. animation-range-end Experimental
      12. animation-range-start Experimental
      13. animation-timeline Experimental
      14. animation-timing-function
    8. appearance
    9. aspect-ratio
    10. backdrop-filter
    11. backface-visibility
    12. background-*
      1. background
      2. background-attachment
      3. background-blend-mode
      4. background-clip
      5. background-color
      6. background-image
      7. background-origin
      8. background-position
      9. background-position-x
      10. background-position-y
      11. background-repeat
      12. background-size
    13. block-size
    14. border-*
      1. border
      2. border-block
      3. border-block-color
      4. border-block-end
      5. border-block-end-color
      6. border-block-end-style
      7. border-block-end-width
      8. border-block-start
      9. border-block-start-color
      10. border-block-start-style
      11. border-block-start-width
      12. border-block-style
      13. border-block-width
      14. border-bottom
      15. border-bottom-color
      16. border-bottom-left-radius
      17. border-bottom-right-radius
      18. border-bottom-style
      19. border-bottom-width
      20. border-collapse
      21. border-color
      22. border-end-end-radius
      23. border-end-start-radius
      24. border-image
      25. border-image-outset
      26. border-image-repeat
      27. border-image-slice
      28. border-image-source
      29. border-image-width
      30. border-inline
      31. border-inline-color
      32. border-inline-end
      33. border-inline-end-color
      34. border-inline-end-style
      35. border-inline-end-width
      36. border-inline-start
      37. border-inline-start-color
      38. border-inline-start-style
      39. border-inline-start-width
      40. border-inline-style
      41. border-inline-width
      42. border-left
      43. border-left-color
      44. border-left-style
      45. border-left-width
      46. border-radius
      47. border-right
      48. border-right-color
      49. border-right-style
      50. border-right-width
      51. border-spacing
      52. border-start-end-radius
      53. border-start-start-radius
      54. border-style
      55. border-top
      56. border-top-color
      57. border-top-left-radius
      58. border-top-right-radius
      59. border-top-style
      60. border-top-width
      61. border-width
    15. bottom
    16. box-*
      1. box-align Non-standard Deprecated
      2. box-decoration-break
      3. box-direction Non-standard Deprecated
      4. box-flex Non-standard Deprecated
      5. box-flex-group Non-standard Deprecated
      6. box-lines Non-standard Deprecated
      7. -moz-box-ordinal-group Non-standard Deprecated
      8. box-orient Non-standard Deprecated
      9. box-pack Non-standard Deprecated
      10. box-shadow
      11. box-sizing
    17. break-*
      1. break-after
      2. break-before
      3. break-inside
    18. caption-side
    19. caret-color
    20. clear
    21. clip-*
      1. clip Deprecated
      2. clip-path
      3. clip-rule
    22. color-*
      1. Propriedade color do CSS
      2. color-interpolation
      3. color-interpolation-filters
      4. color-scheme
    23. column-*
      1. column-count
      2. column-fill
      3. column-gap
      4. column-rule
      5. column-rule-color
      6. column-rule-style
      7. column-rule-width
      8. column-span
      9. column-width
    24. columns
    25. contain-*
      1. contain
      2. contain-intrinsic-block-size
      3. contain-intrinsic-height
      4. contain-intrinsic-inline-size
      5. contain-intrinsic-size
      6. contain-intrinsic-width
    26. container-*
      1. container
      2. container-name
      3. container-type
    27. content
    28. content-visibility
    29. counter-*
      1. counter-increment
      2. counter-reset
      3. counter-set
    30. cursor
    31. cx
    32. cy
    33. d
    34. direction
    35. Display
    36. dominant-baseline
    37. empty-cells
    38. field-sizing Experimental
    39. fill-*
      1. fill
      2. fill-opacity
      3. fill-rule
    40. filter
    41. flex-*
      1. flex
      2. flex-basis
      3. flex-direction
      4. flex-flow
      5. flex-grow
      6. flex-shrink
      7. flex-wrap
    42. float
    43. font-*
      1. font
      2. font-family
      3. font-feature-settings
      4. font-kerning
      5. font-language-override
      6. font-optical-sizing
      7. font-palette
      8. font-size
      9. font-size-adjust
      10. font-smooth Non-standard
      11. font-stretch
      12. font-style
      13. font-synthesis
      14. font-synthesis-position
      15. font-synthesis-small-caps
      16. font-synthesis-style
      17. font-synthesis-weight
      18. font-variant
      19. font-variant-alternates
      20. font-variant-caps
      21. font-variant-east-asian
      22. font-variant-emoji
      23. font-variant-ligatures
      24. font-variant-numeric
      25. font-variant-position
      26. font-variation-settings
      27. font-weight
    44. forced-color-adjust
    45. gap
    46. grid-*
      1. grid
      2. grid-area
      3. grid-auto-columns
      4. grid-auto-flow
      5. grid-auto-rows
      6. grid-column
      7. grid-column-end
      8. grid-column-start
      9. grid-row
      10. grid-row-end
      11. grid-row-start
      12. grid-template
      13. grid-template-areas
      14. grid-template-columns
      15. grid-template-rows
    47. hanging-punctuation
    48. height
    49. hyphenate-character
    50. hyphenate-limit-chars
    51. hifens
    52. image-*
      1. image-orientation
      2. image-rendering
      3. image-resolution Experimental
    53. initial-letter
    54. inline-size
    55. inset-*
      1. inset
      2. inset-block
      3. inset-block-end
      4. inset-block-start
      5. inset-inline
      6. inset-inline-end
      7. inset-inline-start
    56. interpolate-size Experimental
    57. isolation
    58. justify-*
      1. justify-content
      2. justify-items
      3. justify-self
    59. left
    60. letter-spacing
    61. line-*
      1. line-break
      2. line-height
      3. line-height-step Experimental
    62. list-*
      1. list-style
      2. list-style-image
      3. list-style-position
      4. list-style-type
    63. margin-*
      1. margin
      2. margin-block
      3. margin-block-end
      4. margin-block-start
      5. margin-bottom
      6. margin-inline
      7. margin-inline-end
      8. margin-inline-start
      9. margin-left
      10. margin-right
      11. margin-top
      12. margin-trim Experimental
    64. marker-*
      1. marker
      2. marker-end
      3. marker-mid
      4. marker-start
    65. mask-*
      1. mask
      2. mask-border
      3. mask-border-mode
      4. mask-border-outset
      5. mask-border-repeat
      6. mask-border-slice
      7. mask-border-source
      8. mask-border-width
      9. mask-clip
      10. mask-composite
      11. mask-image
      12. mask-mode
      13. mask-origin
      14. mask-position
      15. mask-repeat
      16. mask-size
      17. mask-type
    66. math-*
      1. math-depth
      2. math-shift Experimental
      3. math-style
    67. max-*
      1. max-block-size
      2. max-height
      3. max-inline-size
      4. max-width
    68. min-*
      1. min-block-size
      2. min-height
      3. min-inline-size
      4. min-width
    69. mix-blend-mode
    70. object-fit
    71. object-position
    72. offset-*
      1. offset
      2. offset-anchor
      3. offset-distance
      4. offset-path
      5. offset-position
      6. offset-rotate
    73. opacity
    74. order
    75. orphans
    76. outline-*
      1. outline
      2. outline-color
      3. outline-offset
      4. outline-style
      5. outline-width
    77. overflow-*
      1. overflow
      2. overflow-anchor
      3. overflow-block
      4. overflow-clip-margin
      5. overflow-inline
      6. word-wrap
      7. overflow-x
      8. overflow-y
    78. overlay Experimental
    79. overscroll-*
      1. overscroll-behavior
      2. overscroll-behavior-block
      3. overscroll-behavior-inline
      4. overscroll-behavior-x
      5. overscroll-behavior-y
    80. padding-*
      1. padding
      2. padding-block
      3. padding-block-end
      4. padding-block-start
      5. padding-bottom
      6. padding-inline
      7. padding-inline-end
      8. padding-inline-start
      9. padding-left
      10. padding-right
      11. padding-top
    81. page-*
      1. page
      2. page-break-after
      3. page-break-before
      4. page-break-inside
    82. paint-order
    83. perspective
    84. perspective-origin
    85. place-*
      1. place-content
      2. place-items
      3. place-self
    86. pointer-events
    87. position-*
      1. position
      2. position-anchor Experimental
      3. position-area
      4. position-try Experimental
      5. position-try-fallbacks Experimental
      6. position-try-order Experimental
      7. position-visibility Experimental
    88. print-color-adjust
    89. quotes
    90. r
    91. resize
    92. right
    93. rotate
    94. row-gap
    95. ruby-align
    96. ruby-position
    97. rx
    98. ry
    99. scale
    100. scroll-*
      1. scroll-behavior
      2. scroll-margin
      3. scroll-margin-block
      4. scroll-margin-block-end
      5. scroll-margin-block-start
      6. scroll-margin-bottom
      7. scroll-margin-inline
      8. scroll-margin-inline-end
      9. scroll-margin-inline-start
      10. scroll-margin-left
      11. scroll-margin-right
      12. scroll-margin-top
      13. scroll-padding
      14. scroll-padding-block
      15. scroll-padding-block-end
      16. scroll-padding-block-start
      17. scroll-padding-bottom
      18. scroll-padding-inline
      19. scroll-padding-inline-end
      20. scroll-padding-inline-start
      21. scroll-padding-left
      22. scroll-padding-right
      23. scroll-padding-top
      24. scroll-snap-align
      25. scroll-snap-stop
      26. scroll-snap-type
      27. scroll-timeline Experimental
      28. scroll-timeline-axis Experimental
      29. scroll-timeline-name Experimental
    101. scrollbar-*
      1. scrollbar-color
      2. scrollbar-gutter
      3. scrollbar-width
    102. shape-*
      1. shape-image-threshold
      2. shape-margin
      3. shape-outside
      4. shape-rendering
    103. stop-color
    104. stop-opacity
    105. stroke-*
      1. stroke
      2. stroke-dasharray
      3. stroke-dashoffset
      4. stroke-linecap
      5. stroke-linejoin
      6. stroke-miterlimit
      7. stroke-opacity
      8. stroke-width
    106. tab-size
    107. table-layout
    108. text-*
      1. text-align
      2. text-align-last
      3. text-anchor
      4. text-combine-upright
      5. text-decoration
      6. text-decoration-color
      7. text-decoration-line
      8. text-decoration-skip Experimental
      9. text-decoration-skip-ink
      10. text-decoration-style
      11. text-decoration-thickness
      12. text-emphasis
      13. text-emphasis-color
      14. text-emphasis-position
      15. text-emphasis-style
      16. text-indent
      17. text-justify
      18. text-orientation
      19. text-overflow
      20. text-rendering
      21. text-shadow
      22. text-size-adjust Experimental
      23. text-spacing-trim Experimental
      24. text-transform
      25. text-underline-offset
      26. text-underline-position
      27. text-wrap
      28. text-wrap-mode
      29. text-wrap-style
    109. timeline-scope Experimental
    110. top
    111. touch-action
    112. transform-*
      1. transform
      2. transform-box
      3. transform-origin
      4. transform-style
    113. transition-*
      1. transition
      2. transition-behavior
      3. transition-delay
      4. transition-duration
      5. transition-property
      6. transition-timing-function
    114. translate
    115. unicode-bidi
    116. user-modify Non-standard Deprecated
    117. user-select
    118. vector-effect
    119. vertical-align
    120. view-*
      1. view-timeline Experimental
      2. view-timeline-axis Experimental
      3. view-timeline-inset Experimental
      4. view-timeline-name Experimental
      5. view-transition-name
    121. visibility
    122. white-space
    123. white-space-collapse
    124. widows
    125. width
    126. will-change
    127. word-break
    128. word-spacing
    129. writing-mode
    130. x
    131. y
    132. z-index
    133. zoom
  11. Selectors
    1. Seletor de atributos
    2. Seletores de classe
    3. Seletores de ID
    4. & nesting selector
    5. Type selectors
    6. Seletor universal
  12. Combinators
    1. Child combinator
    2. Column combinator Experimental
    3. Descendant combinator
    4. Namespace separator
    5. Next-sibling combinator
    6. Selector list
    7. General sibling selectors
  13. Pseudo-classes
    1. :-moz-broken Non-standard Deprecated
    2. :-moz-drag-over Non-standard
    3. :-moz-first-node Experimental Non-standard
    4. :-moz-handler-blocked Non-standard
    5. :-moz-handler-crashed Non-standard
    6. :-moz-handler-disabled Non-standard
    7. :-moz-last-node Experimental Non-standard
    8. :-moz-loading Non-standard
    9. :-moz-locale-dir(ltr) Non-standard
    10. :-moz-locale-dir(rtl) Non-standard
    11. :-moz-only-whitespace Non-standard
    12. :-moz-submit-invalid Non-standard
    13. :-moz-suppressed Non-standard
    14. :-moz-user-disabled Non-standard
    15. :-moz-window-inactive Non-standard
    16. :active
    17. :any-link
    18. :autofill
    19. :blank Experimental
    20. :buffering
    21. :checked
    22. :current
    23. :default
    24. :defined
    25. :dir()
    26. :disabled
    27. :empty
    28. :enabled
    29. :first
    30. :first-child
    31. :first-of-type
    32. :focus
    33. :focus-visible
    34. :focus-within
    35. :fullscreen
    36. :future
    37. :has()
    38. :host
    39. :host-context()
    40. :host()
    41. :hover
    42. :in-range
    43. :indeterminate
    44. :invalid
    45. :is()
    46. :lang()
    47. :last-child
    48. :last-of-type
    49. :left
    50. :link
    51. :local-link
    52. :modal
    53. :muted
    54. :not()
    55. :nth-child()
    56. :nth-last-child()
    57. :nth-last-of-type()
    58. :nth-of-type()
    59. :only-child
    60. :only-of-type
    61. :optional
    62. :out-of-range
    63. :past
    64. :paused
    65. :picture-in-picture
    66. :placeholder-shown
    67. :playing
    68. :popover-open
    69. :read-only
    70. :read-write
    71. :required
    72. :right
    73. :root
    74. :scope
    75. :seeking
    76. :stalled
    77. :state()
    78. :target
    79. :target-within Experimental
    80. :user-invalid
    81. :user-valid
    82. :valid
    83. :visited
    84. :volume-locked
    85. :where()
  14. Pseudo-elements
    1. ::-moz-color-swatch Non-standard
    2. ::-moz-focus-inner Experimental Non-standard
    3. ::-moz-list-bullet Experimental Non-standard
    4. ::-moz-list-number Experimental Non-standard
    5. ::-moz-meter-bar Non-standard
    6. ::-moz-progress-bar Experimental Non-standard
    7. ::-moz-range-progress Non-standard
    8. ::-moz-range-thumb Non-standard
    9. ::-moz-range-track Non-standard
    10. ::-webkit-inner-spin-button Non-standard
    11. ::-webkit-meter-bar Non-standard Deprecated
    12. ::-webkit-meter-even-less-good-value Non-standard
    13. ::-webkit-meter-inner-element Non-standard
    14. ::-webkit-meter-optimum-value Non-standard
    15. ::-webkit-meter-suboptimum-value Non-standard
    16. ::-webkit-progress-bar Non-standard
    17. ::-webkit-progress-inner-element Non-standard
    18. ::-webkit-progress-value Non-standard
    19. ::-webkit-scrollbar Non-standard
    20. ::-webkit-search-cancel-button Non-standard
    21. ::-webkit-search-results-button Non-standard
    22. ::-webkit-slider-runnable-track Experimental
    23. ::-webkit-slider-thumb Experimental
    24. ::after (:after)
    25. ::backdrop
    26. ::before (:before)
    27. ::cue
    28. ::file-selector-button
    29. ::first-letter (:first-letter)
    30. ::first-line (:first-line)
    31. ::grammar-error
    32. ::highlight()
    33. ::marker
    34. ::part()
    35. ::placeholder
    36. ::selection
    37. ::slotted()
    38. ::spelling-error
    39. ::target-text
    40. ::view-transition
    41. ::view-transition-group
    42. ::view-transition-image-pair
    43. ::view-transition-new
    44. ::view-transition-old
  15. At-rules
    1. @charset
    2. @color-profile
    3. @container
    4. @counter-style
    5. @document Non-standard Deprecated
    6. @font-face
    7. @font-feature-values
    8. @font-palette-values
    9. @import
    10. @keyframes
    11. @layer
    12. @media
    13. @namespace
    14. @page
    15. @position-try Experimental
    16. @property
    17. @scope
    18. @starting-style
    19. @supports
    20. @view-transition Experimental
  16. Functions
    1. -moz-image-rect Non-standard Deprecated
    2. abs()
    3. acos()
    4. anchor-size() Experimental
    5. anchor() Experimental
    6. asin()
    7. atan()
    8. atan2()
    9. attr
    10. blur()
    11. brightness()
    12. calc-size() Experimental
    13. calc()
    14. circle()
    15. clamp()
    16. color-contrast() Experimental
    17. color-mix()
    18. color()
    19. conic-gradient()
    20. contrast()
    21. cos()
    22. counter()
    23. counters()
    24. cross-fade()
    25. device-cmyk()
    26. drop-shadow()
    27. element Experimental
    28. ellipse()
    29. env()
    30. exp()
    31. fit-content()
    32. grayscale()
    33. hsl()
    34. hue-rotate()
    35. hwb()
    36. hypot()
    37. image-set()
    38. image()
    39. inset()
    40. invert()
    41. lab()
    42. layer()
    43. lch()
    44. light-dark()
    45. linear-gradient()
    46. log()
    47. matrix()
    48. matrix3d()
    49. max()
    50. min()
    51. minmax()
    52. mod()
    53. oklab()
    54. oklch()
    55. opacity()
    56. paint()
    57. palette-mix() Experimental
    58. path()
    59. perspective()
    60. polygon()
    61. pow()
    62. radial-gradient()
    63. ray()
    64. rect()
    65. rem()
    66. repeat()
    67. repeating-conic-gradient()
    68. repeating-linear-gradient()
    69. repeating-radial-gradient()
    70. rgb()
    71. rotate()
    72. rotate3d()
    73. rotateX()
    74. rotateY()
    75. rotateZ()
    76. round()
    77. saturate()
    78. scale()
    79. scale3d()
    80. scaleX()
    81. scaleY()
    82. scaleZ()
    83. scroll() Experimental
    84. sepia()
    85. shape() Experimental
    86. sign()
    87. sin()
    88. skew()
    89. skewX()
    90. skewY()
    91. sqrt()
    92. symbols()
    93. tan()
    94. translate()
    95. translate3d()
    96. translateX()
    97. translateY()
    98. translateZ()
    99. url()
    100. var()
    101. view() Experimental
    102. xywh()
  17. Types
    1. <absolute-size>
    2. <alpha-value>
    3. <angle>
    4. <angle-percentage>
    5. <basic-shape>
    6. <blend-mode>
    7. <box-edge>
    8. <calc-keyword>
    9. <calc-sum>
    10. <color-interpolation-method>
    11. <color>
    12. <custom-ident>
    13. <dashed-ident>
    14. <dimension>
    15. <display-box>
    16. <display-inside>
    17. <display-internal>
    18. <display-legacy>
    19. <display-listitem>
    20. <display-outside>
    21. <easing-function>
    22. <filter-function>
    23. <flex>
    24. <frequency>
    25. <frequency-percentage>
    26. <generic-family>
    27. <gradient>
    28. <hex-color>
    29. <hue>
    30. <hue-interpolation-method>
    31. <ident>
    32. <image>
    33. <integer>
    34. <length>
    35. <length-percentage>
    36. <line-style>
    37. <named-color>
    38. <number>
    39. <overflow>
    40. <percentage>
    41. <position-area>
    42. <position>
    43. <ratio>
    44. <relative-size>
    45. <resolution>
    46. <shape> Deprecated
    47. <string>
    48. <system-color>
    49. <time>
    50. <time-percentage>
    51. <transform-function>
    52. <url>
  18. Guides
  19. Animations
    1. Using CSS animations
  20. Backgrounds and Borders
    1. Using multiple backgrounds
    2. Resizing background images
  21. Box alignment
    1. Box alignment in block layout
    2. Box alignment in flexbox
    3. Box alignment in grid layout
    4. Box alignment in multi-column layout
  22. Box model
    1. Introduction to the CSS basic box model
    2. Mastering margin collapsing
  23. Colors
    1. Applying color to HTML elements
    2. Color values
    3. Using relative colors
    4. Using color wisely
    5. Accessibility: Understanding colors and luminance
    6. Accessibility: Color contrast
  24. Columns
    1. Basic concepts of Multicol
    2. Styling columns
    3. Spanning and balancing
    4. Handling overflow in Multicol
    5. Content breaks in Multicol
  25. Conditional rules
    1. Using feature queries
  26. Containment
    1. Using CSS containment
    2. CSS container queries
    3. Using container size and style queries
  27. CSSOM view
    1. Coordinate systems
  28. Flexbox
    1. Basic concepts of Flexbox
    2. Comparison with other layout methods
    3. Aligning items in a flex container
    4. Ordering flex items
    5. Controlling flex item ratios
    6. Mastering wrapping of flex items
    7. Typical use cases of Flexbox
  29. Flow layout
    1. Block and Inline layout in normal flow
    2. In flow and Out of flow
    3. Formatting contexts explained
    4. Flow layout and writing modes
    5. Flow layout and overflow
  30. Fonts
    1. OpenType font features guide
    2. Variable fonts guide
  31. Grid
    1. Basics concepts of grid layout
    2. Relationship to other layout methods
    3. Line-based placement
    4. Grid template areas
    5. Layout using named grid lines
    6. Auto-placement in grid layout
    7. Box alignment in grid layout
    8. Grids, logical values and writing modes
    9. Grid layout and accessibility
    10. Grid Layout and progressive enhancement
    11. Realizing common layouts using grids
    12. Subgrid
    13. Masonry layout
  32. Images
    1. Using CSS gradients
  33. Lists and counters
    1. Using CSS counters
    2. Consistent list indentation
  34. Logical properties
    1. Basic concepts
    2. Floating and positioning
    3. Margins, borders and padding
    4. Sizing
  35. Math functions
    1. Using CSS math functions
  36. Media queries
    1. Using media queries
    2. Using media queries for accessibility
    3. Testing media queries programmatically
    4. Printing
  37. Nesting style rules
    1. Using CSS nesting
    2. Nesting at-rules
    3. Nesting and specificity
  38. Posicionamento
    1. Understanding CSS z-index
  39. Scroll snap
    1. Basic concepts of scroll snap
  40. Shapes
    1. Overview of shapes
    2. Shapes from box values
    3. Basic shapes
    4. Shapes from images
  41. Text
    1. Wrapping and breaking text
  42. Transforms
    1. Using transforms
  43. Transitions
    1. Using transitions
  44. Layout cookbook
    1. Media objects
    2. Columns
    3. Center an element
    4. Sticky footers
    5. Split navigation
    6. Breadcrumb navigation
    7. List group with badges
    8. Pagination
    9. Card
    10. Grid wrapper
  46. Tools
    1. Color picker
    2. Box shadow generator
    3. Border image generator
    4. Border radius generator

Neste artigo

  • Descrição
  • Sintaxe
  • Especificações
  • Navegadores compatíveis
  • Ver também

:only-of-type

Descrição

A pseudo-classe CSS :only-of-type representa qualquer elemento que não possui irmãos de um determinado tipo.

Sintaxe

:only-of-type { propriedades}

Especificações

Specification
Selectors Level 4
# only-of-type-pseudo

Navegadores compatíveis

BCD tables only load in the browser

Ver também

  • :nth-of-type, :first-of-type, :last-of-type

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