.margin-11-rem {
    margin: 0 5.5rem
}

.margin-21-rem {
    margin: 0 10.5rem
}

.el-header {
    padding: 0px 23rem;
}

@media screen and (max-width: 900px) {
    .margin-11-rem {
        margin: 0
    }
}

@media screen and (max-width: 1200px) {
    .margin-21-rem {
        margin: 0 3.5rem;
    }
}

@media screen and (max-width: 1400px) {
    .el-header {
        padding: 0px 5%;
    }
}