@media (min-width: 480px) {
    .center-block {
        width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    .full-block{
        width: 100%;
    }
    .secondary-block {
       display: none;
    }
}
@media (min-width: 768px) {
    .center-block {
        width: 700px;
        margin-left: auto;
        margin-right: auto;
    }
    .full-block{
        width: 100%;
    }
    .secondary-block {
        display: inherit;
     }
}
@media (min-width: 1024px) {
    .center-block {
        width: 960px;
        margin-left: auto;
        margin-right: auto;
    }
    .full-block{
        width: 100%;
    }
    .secondary-block {
        display: inherit;
     }
}
@media (min-width: 1440px) {
    .center-block {
        width: 1380px;
        margin-left: auto;
        margin-right: auto;
    }
    .full-block{
        width: 100%;
    }
    .secondary-block {
        display: inherit;
     }
    
}
@media (min-width:1920px){
    .center-block {
        width: 1800px;
        margin-left: auto;
        margin-right: auto;
    }
    .full-block{
        width: 100%;
    }
    .secondary-block {
        display: inherit;
     }
    
}