@media screen and (max-width:450px) {
    html {
        font-size: 50px !important;
    }
    
}
@media screen and (max-width:736px) and (max-height:815px) {
    
}
@media screen and (max-width:736px) and (max-height:670px){
    
}
@media screen and (max-width:540px){
    .center_5 {
        padding: 26% 0 0 8%;
    }
    .center_5>ul {
        height: 85%;
    }
    .center_5>ul>li {
        width: 49.3%;
    height: 25%;
    margin-bottom: 50px !important;
    }
    .center_5 {
        min-height: 750px !important;
        max-height: 750px !important;
    }
}