body {
background-color:#000000;
}
.styleGuideBg
{
    background-color:Black;
    width: 1000px;
    height:575px;
    float:left;
    
}
.divCerceve
{
    width:250px;
    height:177px;
    float:left;
    margin-left:40px;
    margin-top:40px;
    border:solid 1px Gray;
    margin-bottom:20px;
    cursor:pointer;
}
.divCerceve:hover {border:1px solid #fff;}