.md-input-group.md-ripple .md-input.form-control {
  border: 0;
  position: relative;
}

.md-input-group.md-ripple {
  position: relative;
  overflow: hidden;
  padding-bottom: 1px;
}

.md-input-group.md-ripple:after {
  content: "";
  position: absolute;
  width: 100%;
  background: #999;
  height: 1px;
  transition: transform 1s;
  pointer-events: none;
  transform: scale3d(1, 1, 1);
}

.md-btn.md-ripple {
  position: relative;
  overflow: hidden;
  transform: translate3d(0, 0, 0);
}

.md-btn.md-ripple:after {
  content: "";
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, #000 10%, transparent 10.01%);
  background-repeat: no-repeat;
  background-position: 50%;
  transform: scale(10, 10);
  opacity: 0;
  transition: transform .5s, opacity 1s;
}

.md-btn.md-ripple:active:after {
  transform: scale(0, 0);
  opacity: .2;
  transition: 0s;
}