"

From 2013.igem.org

.ch-grid {

   margin: 20px 0 0 0;
   padding: 0;
   list-style: none;
   display: block;
   text-align: center;
   width: 100%;

}

.ch-grid:after, .ch-item:before {

   content: ;
   display: table;

}

.ch-grid:after {

   clear: both;

}

.ch-grid li {

   width: 220px;
   height: 220px;
   display: inline-block;
   margin: 20px;

}

.ch-item {
   width: 100%;
   height: 100%;
   border-radius: 50%;
   overflow: hidden;
   position: relative;
   cursor: default;
   box-shadow: 
       inset 0 0 0 16px rgba(255,255,255,0.6),
       0 1px 2px rgba(0,0,0,0.1);
   transition: all 0.4s ease-in-out;

}

.ch-img-1 {

   background-image: url();

}

.ch-img-2 {

   background-image: url();

}

.ch-img-3 {

   background-image: url();

}

.ch-img-4 {

   background-image: url();

}

.ch-img-5 {

   background-image: url();

}

.ch-img-6 {

   background-image: url();

}

.ch-img-7 {

   background-image: url();

}

.ch-img-8 {

   background-image: url();

} .ch-info {

   position: absolute;
   background: rgba(63,147,147, 0.8);
   width: inherit;
   height: inherit;
   border-radius: 50%;
   overflow: hidden;
   opacity: 0;
   transition: all 0.4s ease-in-out;
   transform: scale(0);

}

.ch-info h3 {

   color: #fff;
   text-transform: uppercase;
   letter-spacing: 2px;
   font-size: 22px;
   margin: 0 30px;
   padding: 45px 0 0 0;
   height: 140px;
   font-family: 'Open Sans', Arial, sans-serif;
   text-shadow: 
       0 0 1px #fff, 
       0 1px 2px rgba(0,0,0,0.3);

}

.ch-info p {

   color: #fff;
   padding: 10px 5px;
   font-style: italic;
   margin: 0 30px;
   font-size: 12px;
   border-top: 1px solid rgba(255,255,255,0.5);
   opacity: 0;
   transition: all 1s ease-in-out 0.4s;

}

.ch-info p a {

   display: block;
   color: rgba(255,255,255,0.7);
   font-style: normal;
   font-weight: 700;
   text-transform: uppercase;
   font-size: 9px;
   letter-spacing: 1px;
   padding-top: 4px;
   font-family: 'Open Sans', Arial, sans-serif;

}

.ch-info p a:hover {

   color: rgba(255,242,34, 0.8);

}

.ch-item:hover {

   box-shadow: 
       inset 0 0 0 1px rgba(255,255,255,0.1),
       0 1px 2px rgba(0,0,0,0.1);

}

.ch-item:hover .ch-info {

   transform: scale(1);
   opacity: 1;

}

.ch-item:hover .ch-info p {

   opacity: 1;

}

.wrapper-dropdown-2 {

   /* Size and position */
   position: relative; /* Enable absolute positioning for children and pseudo elements */
   width: 200px;
   margin: 0 auto;
   padding: 10px 15px;

   /* Styles */
   background: #fff;
   border-left: 5px solid grey;
   cursor: pointer;
   outline: none;

}

.wrapper-dropdown-2:after {

   content: "";
   width: 0;
   height: 0;
   position: absolute;
   right: 16px;
   top: 50%;
   margin-top: -3px;
   border-width: 6px 6px 0 6px;
   border-style: solid;
   border-color: grey transparent;

}

.wrapper-dropdown-2 .dropdown {

 /* Size & position */
   position: absolute;
   top: 100%;
   left: -5px;
   right: 0px;

   /* Styles */
   background: white;
   transition: all 0.3s ease-out;
   list-style: none;

   /* Hiding */
   opacity: 0;
   pointer-events: none;

}

.wrapper-dropdown-2 .dropdown li a {

   display: block;
   text-decoration: none;
   color: #333;
   border-left: 5px solid;
   padding: 10px;
   transition: all 0.3s ease-out;

}

.wrapper-dropdown-2 .dropdown li:nth-child(1) a {

   border-left-color: #00ACED;

}

.wrapper-dropdown-2 .dropdown li:nth-child(2) a {

   border-left-color: #4183C4;

}

.wrapper-dropdown-2 .dropdown li:nth-child(3) a {

   border-left-color: #3B5998;

}

.wrapper-dropdown-2 .dropdown li i {

   margin-right: 5px;
   color: inherit;
   vertical-align: middle;

}

/* Hover state */

.wrapper-dropdown-2 .dropdown li:hover a {

   color: grey;

}

.wrapper-dropdown-2.active:after {

   border-width: 0 6px 6px 6px;

}

.wrapper-dropdown-2.active .dropdown {

   opacity: 1;
   pointer-events: auto;

}