btn hover effects

btn-hover-effects.markdown

btn hover effects

A Pen by BrainUP on CodePen.

License.

index.html

<div class="wrapper">
  <div class="o-hover__block">
    <a class="c-btn c-btn--line" href="#" data-hover-name="HOVER.LINE">
      HOVER<span>.</span>LINE</a>
  </div>
  <div class="o-hover__block">
    <a class="c-btn c-btn--double-line" href="#" data-hover-name="DOUBLE.LINE">
      DOUBLE<span>.</span>LINE</a>
  </div>
  <div class="o-hover__block">
    <a class="c-btn c-btn--big-line" href="#" data-hover-name="BIG.LINE">
      BIG<span>.</span>LINE</a>
  </div>
  <div class="o-hover__block">
    <a class="c-btn c-btn--border-line" href="#" data-hover-name="BIG.LINE">
      BORDER<span>.</span>LINE</a>
  </div>
</div>

scripts

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>

style.less

@import 'https://fonts.googleapis.com/css?family=Lato:900';
@vr__col-black: #000;
@vr__col-white: #FFF;
@vr__col-red: #e64040;
//-----------------------------------------------------------
html {
  font-family: 'Lato', sans-serif;
}

body {
  background-color: @vr__col-black;
}

.wrapper {
  position: relative;
  max-width: 1024px;
  margin: 100px auto;
}

//-----------------------------------------------------------
.o-hover__block {
  text-align: center;
  margin: 60px 0;
}

// DEFAULT BUTTON -------------------------------------------
.c-btn {
  color: @vr__col-white;
  text-decoration: none;
  position: relative;
  display: inline-block;
  font-size: 40px;
  height: 100%;
  &:after {
    content: '';
    display: block;
    position: absolute;
  }
  &:before {
    content: '';
    display: block;
    position: absolute;
  }
  
  // FIRTS BUTTON -------------------------------------------
  &--line {
    &:after {
      transform-origin: right;
      transform: scaleX(0);
      bottom: 0;
      height: 2px;
      width: 100%;
      background-color: @vr__col-white;
      transition: transform .6s cubic-bezier(.55, 0, .1, 1);
    }
    &:hover {
      &:after {
        transform: scaleX(1);
        transform-origin: left;
        transition: transform .6s cubic-bezier(.55, 0, .1, 1);
      }
    }
  }
  
  // SECOND BUTTON -------------------------------------------
  &--double-line {
    &:after {
      transform-origin: right;
      transform: scaleX(0);
      top: 0;
      height: 2px;
      width: 100%;
      background-color: @vr__col-white;
      transition: transform .6s cubic-bezier(.55, 0, .1, 1);
    }
    &:before {
      transform-origin: left;
      transform: scaleX(0);
      bottom: 0;
      height: 2px;
      width: 100%;
      background-color: @vr__col-white;
      transition: transform .6s cubic-bezier(.55, 0, .1, 1);
    }
    &:hover {
      &:after {
        transform: scaleX(1);
        transform-origin: left;
        transition: transform .6s cubic-bezier(.55, 0, .1, 1);
      }
      &:before {
        transform: scaleX(1);
        transform-origin: right;
        transition: transform .6s cubic-bezier(.55, 0, .1, 1);
      }
    }
  }
  
  // THIRD BUTTON -------------------------------------------
  &--big-line {
    &:after {
      content: attr(data-hover-name);
      color: @vr__col-black;
      height: 100%;
      width: 100%;
      top: 0;
      opacity: 0;
      transition: all .2s cubic-bezier(.55, 0, .1, 1);
    }
    &:before {
      content: '';
      display: block;
      position: absolute;
      transform-origin: right;
      transform: scaleX(0);
      height: 100%;
      width: 100%;
      top: 0;
      background-color: @vr__col-white;
      transition: transform .6s cubic-bezier(.55, 0, .1, 1);
    }
    &:hover {
      &:after {
        opacity: 1;
        transition: all .3s cubic-bezier(.55, 0, .1, 1);
        transition-delay: .3s;
      }
      &:before {
        transform: scaleX(1);
        transform-origin: left;
        transition: transform .6s cubic-bezier(.55, 0, .1, 1);
      }
    }
  }
  
  // FOURTH BUTTON -------------------------------------------
  &--border-line {
    background: none;
    border: 0;
    box-sizing: border-box;
    box-shadow: inset 0 0 0 2px transparent;
    padding: 12px;
    &:after,
    &:before {
      box-sizing: border-box;
      border: 2px solid transparent;
      width: 0;
      height: 0;
    }
    &:after {
      top: 0;
      left: 0;
      transition: border-color 0s ease-in .8s, width 0.2s ease-in 0.6s, height 0.2s ease-in 0.4s;
    }
    &:before {
      bottom: 0;
      right: 0;
      transition: border-color 0s ease-in 0.4s, width 0.2s ease-in 0.2s, height 0.2s ease-in;
    }
    &:hover {
      &:after,
      &:before {
        width: 100%;
        height: 100%;
      }
      &:after {
        border-top-color: @vr__col-red;
        border-right-color: @vr__col-red;
        transition: width 0.2s ease-out, height 0.2s ease-out 0.2s;
      }
      &:before {
        border-bottom-color: @vr__col-red;
        border-left-color: @vr__col-red;
        transition: border-color 0s ease-out 0.4s, width 0.2s ease-out 0.4s, height 0.2s ease-out 0.6s;
      }
    }
  }
}

// RED DOT -------------------------------------------
span {
  color: @vr__col-red;
}