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html

css

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html

css

/* Body */
body {
  background: #F5F5F5;
  height: 100%;
  color: rgba(0, 0, 0, 0.87);
  font-family: "Roboto", sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  position: fixed;
  top: 30%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
}

.btn {
  outline: 0;
  display: -webkit-inline-box;
  display: -webkit-inline-flex;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
      -ms-flex-pack: justify;
          justify-content: space-between;
  background: #5380F7;
  min-width: 260px;
  border: 0;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
  padding: 16px 20px;
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  overflow: hidden;
  cursor: pointer;
}
.btn:focus .dropdown, .btn:active .dropdown {
  -webkit-transform: translate(0, 20px);
          transform: translate(0, 20px);
  opacity: 1;
  visibility: visible;
}
.btn .material-icons {
  border-radius: 100%;
  -webkit-animation: ripple 0.6s linear infinite;
          animation: ripple 0.6s linear infinite;
}
.btn .dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: #FFFFFF;
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  text-align: left;
  opacity: 0;
  visibility: hidden;
  -webkit-transition: 0.3s ease;
  transition: 0.3s ease;
}
.btn .dropdown:before {
  content: '';
  position: absolute;
  top: -6px;
  left: 20px;
  width: 0;
  height: 0;
  box-shadow: 2px -2px 6px rgba(0, 0, 0, 0.05);
  border-top: 6px solid #FFFFFF;
  border-right: 6px solid #FFFFFF;
  border-bottom: 6px solid transparent;
  border-left: 6px solid transparent;
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
  mix-blend-mode: multiple;
}
.btn .dropdown li {
  z-index: 1;
  position: relative;
  background: #FFFFFF;
  padding: 0 20px;
  color: #666;
}
.btn .dropdown li.active {
  color: #5380F7;
}
.btn .dropdown li:first-child {
  border-radius: 4px 4px 0 0;
}
.btn .dropdown li:last-child {
  border-radius: 0 0 4px 4px;
}
.btn .dropdown li:last-child a {
  border-bottom: 0;
}
.btn .dropdown a {
  display: block;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 16px 0;
  color: inherit;
  font-size: 10px;
  text-decoration: none;
}

@-webkit-keyframes ripple {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.1), 0 0 0 20px rgba(255, 255, 255, 0.1), 0 0 0 40px rgba(255, 255, 255, 0.1), 0 0 0 60px rgba(255, 255, 255, 0.1);
  }
  100% {
    box-shadow: 0 0 0 20px rgba(255, 255, 255, 0.1), 0 0 0 40px rgba(255, 255, 255, 0.1), 0 0 0 60px rgba(255, 255, 255, 0.1), 0 0 0 80px rgba(255, 255, 255, 0);
  }
}

@keyframes ripple {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.1), 0 0 0 20px rgba(255, 255, 255, 0.1), 0 0 0 40px rgba(255, 255, 255, 0.1), 0 0 0 60px rgba(255, 255, 255, 0.1);
  }
  100% {
    box-shadow: 0 0 0 20px rgba(255, 255, 255, 0.1), 0 0 0 40px rgba(255, 255, 255, 0.1), 0 0 0 60px rgba(255, 255, 255, 0.1), 0 0 0 80px rgba(255, 255, 255, 0);
  }
}

JavaScript

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