@media screen and (min-width:750px) {
    ul .w5 {
        width: 33.33%;
    }
   
}
@media screen and (min-width:980px) {
    ul .w5 {
        width: 25%;
    }
       
}
@media screen and (min-width:1200px) {
    ul .w5 {
        width: 150px;
        font-size: 18px;
    }
}