.ewmbox{position:relative;}
.ewmbox .ewmimg{display:none;position:absolute;bottom:130px;left:-10px;width:120px;height:120px;}
.ewmbox:hover .ewmimg{display:block;}
@media only screen and (min-width: 768px) and (max-width: 1200px) {
    .ewm .ewmbox {
        float: left;}
}