th {
    background-color: #4bdec0 !important;
    color: black !important;
}

.thumbnail{
    position: relative;
    z-index: 0;
}

.thumbnail:hover{
    background-color: transparent;
    z-index: 50;
}

.thumbnail span{ /*CSS for enlarged image*/
    position: absolute;
    background-color: lightyellow;
    padding: 1px;
    left: -1000px;
    border: 1px dashed gray;
    visibility: hidden;
    color: black;
    text-decoration: none;
}

.thumbnail span img{ /*CSS for enlarged image*/
    border-width: 0;
    padding: 1px;
}

.thumbnail:hover span{ /*CSS for enlarged image on hover*/
    visibility: visible;
    top: 0;
    left: -250px; /*position where enlarged image should offset horizontally */

}

#chartcontainer {
    height: 400px;
    min-width: 310px;
    max-width: 800px;
    margin: 0 auto;
}
/*.table tbody tr:hover td, .table tbody tr:hover  {
    background-color: #f2f2f2;
}*/