A Pen by Guillaume.

index.html

<div class='fern-button'>
  <button id='fern-button'>
  </button>
    <!-- The for html5 selector is used to to correspond with the input -->
    <label class='fern-button-label' for='fern-check'>
      <span class='fern-button-loader'></span>
      <p>hit me!</p>
    </label>
</div>

Polymer-like-button-attempt.markdown

Polymer like button attempt

An attempt to reproduce polymer paper-button with css

A Pen by Guillaume on CodePen.

License.

style.css

.fern-button {
  width: 150px;
  margin: 30px auto;
  position: relative;
}

.fern-button button {
  display: none;
}

/* Nothing fancy here */
.fern-button .fern-button-label {
  position: absolute;
  cursor: pointer;
  display: block;
  height: 30px;
  width: 150px;
  background-color: #EEEEEE;
  border-radius: 5px;
  font-size: 16px;
  box-shadow: 0px 1px 5px 0px #555555;
  transition: linear 0.2s;
  z-index: 3;
}

.fern-button .fern-button-loader {
  position: absolute;
  display: block;
  border-radius: 5px;
  height: 30px;
  width: 0px;
  transition: linear 0.2s;  
  border-radius: 5px;
  z-index: 4;
}

/* text centered via the tanslate and the positionning */
.fern-button .fern-button-label p {
  position: absolute;
  display: block;
  z-index: 5;
  top: -50%;
  left: 50%;
  transform: translateY(25%) translateX(-50%);
}

.fern-button .fern-button-label:active {
  box-shadow: 0px 3px 15px 0px #555555;
}

/* z-index have ton be lower the p one */
.fern-button .fern-button-label:active .fern-button-loader {
  background-color: #E2E2E2;
  width: 150px;
  z-index: 4;
}