@import url("https://fonts.googleapis.com/css?family=Roboto");

body {
  background: #21c984;
  font-family: Roboto;
}

.button {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.5);
  outline: none;
  display: inline-block;
  overflow: hidden;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  font-size: 16px;
  padding: 12px 16px;
  color: #fff;
  background: transparent;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
  margin: 12px;
}

.button span,
.button i {
  z-index: 2;
}

.button:active {
  border-color: rgba(0, 0, 0, 0.1);
}

.button::before,
.button::after {
  content: "";
  position: absolute;
  transition: all 0.3s;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.button::before {
  background: rgba(255, 255, 255, 0.3);
}

.button:active::before {
  background: rgba(0, 0, 0, 0.1);
}

/* --- Кнопка 1 --- */

#button-1 i {
  color: #e8d427;
}

#button-1::before,
#button-1:active::before {
  opacity: 0;
  transform: scale(1, 0.1);
}

#button-1:hover::before {
  opacity: 1;
  transform: scale(1, 1);
}

/* --- Кнопка 2 --- */

#button-2 i {
  color: #9b59b6;
}

#button-2::before {
  opacity: 0;
  transform: scale(0.1, 0.1);
}

#button-2:hover::before {
  opacity: 1;
  transform: scale(1, 1);
}

/* --- Кнопка 3 --- */

#button-3 i {
  color: #e67e22;
}

#button-3::before {
  left: 0;
  top: 0;
  height: 490%;
  width: 140%;
  -webkit-transform: translateX(-101%) translateY(-25%) rotate(45deg);
  transform: translateX(-101%) translateY(-25%) rotate(45deg);
}

#button-3:hover::before {
  -webkit-transform: translateX(-9%) translateY(-25%) rotate(45deg);
  transform: translateX(-9%) translateY(-25%) rotate(45deg);
}

.button i {
  margin-right: 4px;
}

div {
  margin: 24px;
  text-align: center;
}

ul li {
  list-style: none;
  color: rgba(0, 0, 0, 0.7);
  font-size: 16px;
  font-weight: lighter;
  font-family: Roboto;
  margin-top: 6px;
}