/* Enter Your Custom CSS Here */
.one-half,
.one-third {
    position: relative;
    margin-right: 4%;
    float: left;
        margin-bottom: 20px;
 
}
 
.one-half { width: 48%; }
.one-third { width: 30.66%; }
 
.last {
    margin-right: 0 !important;
    clear: right;
}
 
@media only screen and (max-width: 767px) {
    .one-half, .one-third {
        width: 100%;
        margin-right: 0;
    }
}