.thumb {
    float: left;
    height: 242px;
    margin-right: 28px;
    position: relative;
    text-align: center;
    width: 27%;
/*    padding: 10px;*/
}
.thumb.item a,.thumb.item a:visited,.thumb.item a:active {
    color: rgb(31, 31, 31)!important;
    outline: medium none;
    text-decoration: none;
    font-weight: bolder;
}
.img-small {
    opacity: 0.6;
}
.img-small:hover {
    opacity: 1;
}
.img-small {
    height: 190px;
    width: 270px;
}
.spacer {
    border-bottom: 1px solid #3e4146;
    display: inline-block;
    height: 16px;
    width: 40px;
}
.hentry {
    background-color: #26282d;
}
.all_materials{
    width: 1160px;
    margin: 0px auto;
background:#ffffff;
}
/*#main {
background:#ffffff;
}*/
.clear{
clear:both;
display:table;
content:"";
}
@media screen and (max-width:1200px){
.all_materials{
    width: auto!important;
}

}
@media screen and (max-width:767px){
body.tax-material_category .all_materials > .thumb {
    margin: 0px !important;
    /*padding: 40px !important;*/
    width: 100%!important;
}

}