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HTML

              
                h1 Pure CSS Select

.jelect
  each n in [0, 1, 2, 3, 4]
    input.jelect-input(
      id='jelectOption' + n
      type='radio'
      name='option'
      value=n
      tabindex=0
      checked=n === 0
    )
  .jelect-toggle.jelect-toggle_type_open(tabindex=0)
  .jelect-toggle.jelect-toggle_type_close(tabindex=0)
  .jelect-options(tabindex=0)
    each n in [0, 1, 2, 3, 4]
      label.jelect-option(
        for='jelectOption' + n
      )= n === 0 ? 'Select option' : 'Option ' + n
              
            
!

CSS

              
                *
  box-sizing border-box

h1
  margin-top 40px
  margin-bottom 40px
  font-family 'Helvetica Neue', Helvetica, 'Segoe UI', Arial, freesans, sans-serif
  font-size 36px
  text-align center

.jelect
  position relative
  z-index 1
  margin-left auto
  margin-right auto
  width 300px
  height 50px
  user-select none

  &-toggle
    position absolute
    z-index 2
    top 0
    left 0
    right 0
    cursor pointer

    &:focus
      outline none

    &_type_open
      bottom 0

    &_type_open:focus
    &_type_close
      bottom auto

    &_type_open:focus + &_type_close
      bottom 0

  &-input
    position absolute

  &-options
    position absolute
    z-index 1
    top 0
    left 0
    right 0
    padding-top 50px
    overflow hidden
    height 50px
    background-color #fff
    box-shadow 0 0 10px rgba(0, 0, 0, .25)

    &:focus
      outline none

  &-option
    padding-left 20px
    padding-right 20px
    display block
    height 50px
    font-family 'Helvetica Neue', Helvetica, 'Segoe UI', Arial, freesans, sans-serif
    font-size 14px
    line-height 50px
    cursor pointer
    transition-duration .25s
    transition-property background-color
    will-change background-color

    &:hover
      background-color #ffffcc

  &-toggle_type_open:focus ~ &-options
  &-options:focus
    height auto

  for i in 1...10
    &-input:nth-child({i}):checked ~ &-options &-option:nth-child({i})
      position absolute
      top 0
      left 0
      right 0


              
            
!

JS

              
                
              
            
!
999px

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