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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

            
              <div class="wrapper">
  <div class="material-textfield blue">
    <input type="text" required/>
    <label data-content="username">username</label>
  </div>
  
  <div class="material-textfield red">
     <input type="password" required/>
     <label data-content="password">password</label>
  </div>
</div>
            
          
!
            
              // ---------- BOOTSTRAP
@import url(https://fonts.googleapis.com/css?family=Roboto:400,300,500,700)

.wrapper
    align-items: center
    display: flex
    flex-direction: column
    justify-content: center

$sans-serif: Roboto, Arial, sans-serif

// ---------- COMPONENT
.material-textfield
    display: inline-block
    height: 4rem
    padding-top: 2rem

    input
        background: none
        border: none
        box-sizing: border-box
        display: block
        font-family: $sans-serif
        font-size: 1rem
        padding: 0.25rem 0.1rem
        width: 100%

    input:invalid
        box-shadow: none

    input:focus
        outline: none

    label
        display: inline-block
        font-family: $sans-serif
        font-size: 0
        pointer-events: none
        position: relative
        text-transform: uppercase
        width: 100%

    label::before
        content: attr(data-content)
        position: relative
        transition: all 0.2s ease
        will-change: font-size, top

    label::after
        bottom: 0.9rem
        content: ''
        height: 0.3rem
        left: 50%
        position: absolute
        transition: all 0.2s ease
        width: 0
        will-change: width, left

    label::before, input[required]:focus ~ label::before
        font-size: 0.75rem
        top: -3.25rem

    input:focus ~ label::after
        left: 0%
        width: 100%

    input:invalid ~ label::before
        font-size: 1rem
        top: -2rem

// ---------- CONSTRUCTOR
@mixin material-textfield($name, $lightcolor, $color, $darkcolor)
    .material-textfield.#{$name}
        input
            border-bottom: 0.1rem solid $color
            color: $darkcolor

        label::after
            background: $color

        label::before, input[required]:focus ~ label::before
            color: $lightcolor

        input:invalid ~ label::before
            color: $color

// ---------- INCLUDE COMPONENTS
$blue: #03A9F4
$lightblue: lighten($blue, 15%)
$darkblue: darken($blue, 15%)

$red: #F44336
$lightred: lighten($red, 15%)
$darkred: darken($red, 15%)

@include material-textfield("blue", $lightblue, $blue, $darkblue)
@include material-textfield("red", $lightred, $red, $darkred)
            
          
!
            
              // No JavaScript! ¯\_(ツ)_/¯
            
          
!
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