"

From 2013.igem.org

.container .sheet .thumb {

   display: inline-block;

   margin: 0 0.5em;

   width: 200px;
   height: 100px;
   
   background-color: black;
   box-shadow: 1px 1px 2px black;
   text-align: center;

}

.container .sheet .thumb img {

   max-height: 100px;
   max-width: 200px;

}