.menu {
  display: inline-block;
  position: relative;
  width: 250px;
  color: #999;
}
.menu:hover label {
  border-radius: 5px 5px 0 0;
  min-width: 100%;
  background-color: #fff;
  border-color: #ccc;
  -webkit-transition: all 350ms 0ms, border-radius 350ms 350ms, box-shadow 350ms 350ms;
          transition: all 350ms 0ms, border-radius 350ms 350ms, box-shadow 350ms 350ms;
  box-shadow: inset 0 0 transparent, 0 3px rgba(0,0,0,0.05);
}
.menu:hover label:after {
  opacity: 0;
  -webkit-transition: opacity 350ms 0ms;
          transition: opacity 350ms 0ms;
}
.menu:hover ul {
  max-height: 150px;
  opacity: 1;
  visibility: visible;
  -webkit-transition-delay: 350ms;
          transition-delay: 350ms;
}
.menu:hover .subtitle {
  opacity: 0;
  -webkit-transition-delay: 0ms;
          transition-delay: 0ms;
}
label,
ul {
  border: 1px solid #ccc;
}
label {
  min-width: 25%;
  display: inline-block;
  float: right;
  padding: 5px 10px;
  position: relative;
  padding-right: 25px;
  z-index: 1;
  background-color: #fff;
  border: 1px solid #ccc;
  border-radius: 5px;
  box-shadow: inset 0 -3px 0 #f2f2f2, 0 0 0 transparent;
  color: #000;
  -webkit-transition: all 350ms 350ms, border-radius 350ms 0ms, box-shadow 350ms 0ms;
          transition: all 350ms 350ms, border-radius 350ms 0ms, box-shadow 350ms 0ms;
}
label:before {
  content: 'Sort by: ';
  color: #999;
}
label:after {
  content: '▼';
  position: absolute;
  right: 10px;
  color: #999;
  font-size: 1vw;
  line-height: 2.5vw;
  -webkit-transition: opacity 350ms 350ms;
          transition: opacity 350ms 350ms;
}
ul {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  overflow: hidden;
  padding: 5px 0;
  z-index: 1;
  background-color: #fff;
  border-radius: 0 0 5px 5px;
  border-top-width: 0;
  box-shadow: 0 3px rgba(0,0,0,0.05);
  list-style-type: none;
  max-height: 0;
  opacity: 0;
  visibility: hidden;
  -webkit-transition: all 350ms;
          transition: all 350ms;
  -webkit-transition-delay: 0;
          transition-delay: 0;
}
ul a[href] {
  display: block;
  padding: 5px 10px;
  color: currentColor;
  text-decoration: none;
  -webkit-transition: all 100ms;
          transition: all 100ms;
}
ul a[href]:hover {
  background-color: #e6e6e6;
  color: #000;
}