.drop {
  position: relative;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.drop.open {
  z-index: 100;
}
.drop.open .drop-screen {
  z-index: 100;
  display: block;
}
.drop.open .drop-options {
  z-index: 200;
  max-height: 200px;
}
.drop.open .drop-display {
  z-index: 200;
  /* border-color: #465; */
  border-color: #40ff37;
  /* border-radius: 20px; */
}
.drop select {
  display: none;
}
.drop .drop-screen {
  position: fixed;
  width: 100%;
  height: 100%;
  background: #000;
  top: 0px;
  left: 0px;
  opacity: 0;
  display: none;
  z-index: 1;
}

.link {
  text-align: center;
  margin: 20px 0px;
  color: #8cacd7;
}

.drop .drop-display {
  position: relative;
  padding: 0px 20px 5px 5px;
  border: 4px solid #40ff37;
  width: 100%;
  background: #fff;
  z-index: 1;
  margin: 0px;
  font-size: 16px;
  min-height: 58px;
}
.drop .drop-display:hover:after {
  opacity: 0.75;
}
.drop .drop-display:after {
  font-family: "Material Icons";
  content: "\e5c6";
  position: absolute;
  right: 10px;
  top: 12px;
  font-size: 24px;
  color: #40ff37;
}
.drop .drop-display .item {
  position: relative;
  display: inline-block;
  border: 2px solid #333;
  margin: 5px 5px -4px 0px;
  padding: 0px 25px 0px 10px;
  overflow: hidden;
  height: 40px;
  line-height: 36px;
  color: #000;
}
.drop .drop-display .item .btnclose {
  color: #40ff37;
  position: absolute;
  font-size: 16px;
  right: 5px;
  top: 10px;
  cursor: pointer;
}
.drop .drop-display .item .btnclose:hover {
  opacity: 0.75;
}
.drop .drop-display .item.remove {
  -webkit-animation: removeSelected 0.2s, hide 1s infinite;
  animation: removeSelected 0.2s, hide 1s infinite;
  -webkit-animation-delay: 0s, 0.2s;
  animation-delay: 0s, 0.2s;
}
.drop .drop-display .item.add {
  -webkit-animation: addSelected 0.2s;
  animation: addSelected 0.2s;
}
.drop .drop-display .item.hide {
  display: none;
}
.drop .drop-options {
  background: #40ff37;
  box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.25);
  position: absolute;
  width: 100%;
  max-height: 0px;
  overflow-y: auto;
  transition: all 0.25s linear;
  z-index: 1;
}
.drop .drop-options a {
  display: block;
  height: 40px;
  line-height: 40px;
  padding: 0px 20px;
  color: #fff;
  position: relative;
  max-height: 40px;
  transition: all 1s;
  overflow: hidden;
}
.drop .drop-options a:hover {
  background: #fff;
  cursor: pointer;
  color: #000;
}
.drop .drop-options a.remove {
  -webkit-animation: removeOption 0.2s;
  animation: removeOption 0.2s;
  max-height: 0px;
}
.drop .drop-options a.add {
  -webkit-animation: addOption 0.2s;
  animation: addOption 0.2s;
}
.drop .drop-options a.hide {
  display: none;
}

@-webkit-keyframes pop {
  from {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  to {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

@keyframes pop {
  from {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  to {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
@-webkit-keyframes removeOption {
  from {
    max-height: 40px;
  }
  to {
    max-height: 0px;
  }
}
@keyframes removeOption {
  from {
    max-height: 40px;
  }
  to {
    max-height: 0px;
  }
}
@-webkit-keyframes addOption {
  from {
    max-height: 0px;
  }
  to {
    max-height: 40px;
  }
}
@keyframes addOption {
  from {
    max-height: 0px;
  }
  to {
    max-height: 40px;
  }
}
@-webkit-keyframes removeSelected {
  from {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  to {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
}
@keyframes removeSelected {
  from {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  to {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
}
@-webkit-keyframes addSelected {
  from {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  to {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
@keyframes addSelected {
  from {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  to {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
@-webkit-keyframes hide {
  from,
  to {
    max-height: 0px;
    max-width: 0px;
    padding: 0px;
    margin: 0px;
    border-width: 0px;
  }
}
@keyframes hide {
  from,
  to {
    max-height: 0px;
    max-width: 0px;
    padding: 0px;
    margin: 0px;
    border-width: 0px;
  }
}