SemanSemantic-UItic-UI/build/minified/modules/dropdown.min.css

.ui.dropdown {
  position: relative;
  display: inline-block;
  line-height: 1;
  -webkit-transition: border-radius .1s ease,width .2s ease;
  transition: border-radius .1s ease,width .2s ease;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
  -moz-tap-highlight-color: rgba(0,0,0,0);
  tap-highlight-color: rgba(0,0,0,0);
}

.ui.dropdown .menu {
  position: absolute;
  display: none;
  top: 100%;
  margin: 0;
  background-color: #FFF;
  min-width: 100%;
  white-space: nowrap;
  font-size: .875em;
  text-shadow: none;
  -webkit-box-shadow: 0 0 1px 1px rgba(0,0,0,.1);
  box-shadow: 0 0 1px 1px rgba(0,0,0,.1);
  border-radius: 0 0 .325em .325em;
  -webkit-transition: opacity .2s ease;
  transition: opacity .2s ease;
  z-index: 11;
}

.ui.dropdown>.dropdown.icon {
  width: auto;
  margin: 0 0 0 1em;
}

.ui.dropdown>.dropdown.icon:before {
  content: "\f0d7";
}

.ui.dropdown .menu .item .dropdown.icon {
  width: auto;
  float: right;
  margin: 0 0 0 .5em;
}

.ui.dropdown .menu .item .dropdown.icon:before {
  content: "\f0da";
}

.ui.dropdown>.text {
  cursor: pointer;
  display: inline-block;
  -webkit-transition: color .2s ease;
  transition: color .2s ease;
}

.ui.dropdown .menu {
  left: 0;
}

.ui.dropdown .menu .menu {
  top: 0!important;
  left: 100%!important;
  margin: 0!important;
  border-radius: 0 .325em .325em 0!important;
}

.ui.dropdown .menu .menu:after {
  display: none;
}

.ui.dropdown .menu .item {
  cursor: pointer;
  border: 0;
  border-top: 1px solid rgba(0,0,0,.05);
  height: auto;
  font-size: .875em;
  display: block;
  color: rgba(0,0,0,.75);
  padding: .85em 1em!important;
  font-size: .875rem;
  text-transform: none;
  font-weight: 400;
  text-align: left;
  -webkit-touch-callout: none;
}

.ui.dropdown .menu .item:before {
  display: none;
}

.ui.dropdown .menu .item .icon {
  margin-right: .75em;
}

.ui.dropdown .menu .item:first-child {
  border-top: 0;
}

.ui.menu .right.menu .dropdown:last-child .menu,
.ui.buttons>.ui.dropdown:last-child .menu {
  left: auto;
  right: 0;
}

.ui.vertical.menu .dropdown.item>.dropdown.icon:before {
  content: "\f0da";
}

.ui.dropdown.icon.button>.dropdown.icon {
  margin: 0;
}

.ui.visible.dropdown>.menu {
  display: block;
}

.ui.dropdown .menu .item:hover {
  background-color: rgba(0,0,0,.02);
  z-index: 12;
}

.ui.dropdown .menu .active.item {
  background-color: rgba(0,0,0,.06)!important;
  border-left: 0;
  border-color: transparent!important;
  -webkit-box-shadow: none;
  -moz-shadow: none;
  box-shadow: none;
  z-index: 12;
}

.ui.dropdown>.default.text,
.ui.default.dropdown>.text {
  color: rgba(0,0,0,.5);
}

.ui.dropdown:hover>.default.text,
.ui.default.dropdown:hover>.text {
  color: rgba(0,0,0,.8);
}

.ui.simple.dropdown .menu:before,
.ui.simple.dropdown .menu:after {
  display: none;
}

.ui.simple.dropdown .menu {
  display: block;
  overflow: hidden;
  top: -9999px!important;
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  -webkit-transition: opacity .2s ease-out;
  transition: opacity .2s ease-out;
}

.ui.simple.active.dropdown,
.ui.simple.dropdown:hover {
  border-bottom-left-radius: 0!important;
  border-bottom-right-radius: 0!important;
}

.ui.simple.active.dropdown>.menu,
.ui.simple.dropdown:hover>.menu {
  overflow: visible;
  width: auto;
  height: auto;
  top: 100%!important;
  opacity: 1;
}

.ui.simple.dropdown>.menu .item:active>.menu,
.ui.simple.dropdown:hover>.menu .item:hover>.menu {
  overflow: visible;
  width: auto;
  height: auto;
  top: 0!important;
  left: 100%!important;
  opacity: 1;
}

.ui.simple.disabled.dropdown:hover .menu {
  display: none;
  height: 0;
  width: 0;
  overflow: hidden;
}

.ui.selection.dropdown {
  cursor: pointer;
  display: inline-block;
  word-wrap: break-word;
  white-space: normal;
  background-color: #FFF;
  padding: .5em 1em;
  line-height: 1.33;
  color: rgba(0,0,0,.8);
  -webkit-box-shadow: 0 0 0 1px rgba(0,0,0,.1)!important;
  box-shadow: 0 0 0 1px rgba(0,0,0,.1)!important;
  border-radius: .3125em!important;
}

.ui.selection.dropdown select {
  display: none;
}

.ui.selection.dropdown>.dropdown.icon {
  opacity: .7;
  margin: .2em 0 .2em 1.25em;
  -webkit-transition: opacity .2s ease-out;
  transition: opacity .2s ease-out;
}

.ui.selection.dropdown,
.ui.selection.dropdown .menu {
  top: 100%;
  -webkit-transition: -webkit-box-shadow .2s ease-out;
  transition: box-shadow .2s ease-out;
}

.ui.selection.dropdown .menu {
  max-height: 312px;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-box-shadow: 0 1px 0 1px #E0E0E0;
  box-shadow: 0 1px 0 1px #E0E0E0;
  border-radius: 0 0 .325em .325em;
}

.ui.selection.dropdown .menu:after,
.ui.selection.dropdown .menu:before {
  display: none;
}

.ui.selection.dropdown .menu img {
  height: 2.5em;
  display: inline-block;
  vertical-align: middle;
  margin-right: .5em;
}

.ui.selection.dropdown:hover {
  -webkit-box-shadow: 0 0 0 1px rgba(0,0,0,.2)!important;
  box-shadow: 0 0 0 1px rgba(0,0,0,.2)!important;
}

.ui.selection.dropdown:hover .menu {
  -webkit-box-shadow: 0 1px 0 1px #D3D3D3;
  box-shadow: 0 1px 0 1px #D3D3D3;
}

.ui.selection.dropdown:hover>.dropdown.icon {
  opacity: 1;
}

.ui.visible.selection.dropdown {
  border-bottom-left-radius: 0!important;
  border-bottom-right-radius: 0!important;
}

.ui.active.selection.dropdown {
  border-radius: .3125em .3125em 0 0!important;
}

.ui.active.selection.dropdown>.dropdown.icon {
  opacity: 1;
}

.ui.fluid.dropdown {
  display: block;
}

.ui.fluid.dropdown>.dropdown.icon {
  float: right;
}

.ui.inline.dropdown {
  cursor: pointer;
  display: inline-block;
  color: inherit;
}

.ui.inline.dropdown .dropdown.icon {
  margin: 0 .5em 0 .25em;
}

.ui.inline.dropdown .text {
  font-weight: 700;
}

.ui.inline.dropdown .menu {
  cursor: auto;
  margin-top: .25em;
  border-radius: .325em;
}

.ui.floating.dropdown .menu {
  left: 0;
  right: auto;
  margin-top: .5em;
  border-radius: .325em;
}

.ui.pointing.dropdown .menu {
  top: 100%;
  margin-top: .75em;
  border-radius: .325em;
}

.ui.pointing.dropdown .menu:after {
  display: block;
  position: absolute;
  pointer-events: none;
  content: " ";
  visibility: visible;
  width: .5em;
  height: .5em;
  -webkit-box-shadow: -1px -1px 0 1px rgba(0,0,0,.05);
  box-shadow: -1px -1px 0 1px rgba(0,0,0,.05);
  background-image: none;
  background-color: #FFF;
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
  z-index: 2;
}

.ui.pointing.dropdown .menu .active.item:first-child {
  background: transparent -webkit-linear-gradient(transparent,rgba(0,0,0,.03));
  background: transparent-webkit-gradient(linear, top left, bottom left, from(transparent), to(rgba(0,0,0,.03)));
  background: transparent -webkit-linear-gradient(transparent, rgba(0,0,0,.03));
  background: transparent linear-gradient(transparent,rgba(0,0,0,.03));
}

.ui.pointing.dropdown .menu:after {
  top: -.25em;
  left: 50%;
  margin: 0 0 0 -.25em;
}

.ui.top.left.pointing.dropdown .menu {
  top: 100%;
  bottom: auto;
  left: 0;
  right: auto;
  margin: .75em 0 0;
}

.ui.top.left.pointing.dropdown .menu:after {
  top: -.25em;
  left: 1.25em;
  right: auto;
  margin: 0;
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}

.ui.top.right.pointing.dropdown .menu {
  top: 100%;
  bottom: auto;
  right: 0;
  left: auto;
  margin: .75em 0 0;
}

.ui.top.right.pointing.dropdown .menu:after {
  top: -.25em;
  left: auto;
  right: 1.25em;
  margin: 0;
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}

.ui.left.pointing.dropdown .menu {
  top: 0;
  left: 100%;
  right: auto;
  margin: 0 0 0 .75em;
}

.ui.left.pointing.dropdown .menu:after {
  top: 1em;
  left: -.25em;
  margin: 0;
  -webkit-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.ui.right.pointing.dropdown .menu {
  top: 0;
  left: auto;
  right: 100%;
  margin: 0 .75em 0 0;
}

.ui.right.pointing.dropdown .menu:after {
  top: 1em;
  left: auto;
  right: -.25em;
  margin: 0;
  -webkit-transform: rotate(135deg);
  -ms-transform: rotate(135deg);
  transform: rotate(135deg);
}