.mediumbox{
    min-width: 285px;
    max-width: 285px;
	font-family: Arial, Helvetica, sans-serif;
	float: left;
}
/*.mediumbox{*/
    /*margin-left: 20px;*/
/*}*/

.mediumbox:not(:nth-child(4n)){
    margin-right: 0px;
}

@media (max-width: 1200px) {
    .mediumbox{
        min-width: 285px;
        max-width: 285px;
    }
    .mediumbox > .row{
        text-align: center;
    }
    .mediumbox img{
        margin-bottom: 10px;
    }
}

@media (max-width: 992px) {
    .mediumbox{
        min-width: 225px;
        max-width: 225px;
    }
    .mediumbox:nth-child(even){
        margin-left: 0px;
    }
    .mediumbox:nth-child(odd){
        margin-left: 0!important;
    }
    .mediumbox:not(:nth-child(4n)){
        margin-right: 0;
    }
}

@media (max-width: 468px) {
    .mediumbox{
        min-width: 100%;
    }
    .mediumbox{
        margin-left: 0!important;
    }
}