main.css

[class*="col-"] {
    float: left;
}
:root {
    --warna1: #4a5568;
    --warna2: #2f3542;
    --primary: #edf2fc;
    --second: #212121;
    --third: whitesmoke;
    --four: #f1f2f6;
    --navbar: #ffff;
    --fonts: #212121;
    --jdul: #212121;
    --topbtn:  #bd93f9;
    --csr: #2f3542;
}

.modegelap{
    --primary: #282a36;
    --second: #fff;
    --third: white;
    --navbar: #44475a;
    --fonts: whitesmoke;
    --jdul: #bd93f9;
    --warna1: whitesmoke;
    --four: #f8f8f2;
    --topbtn: whitesmoke;
    --csr: whitesmoke;
}

body {
    max-width: 100%;
    padding-right: 0;
    font-family: sans-serif;
    width: auto;
    background-color: #edf2fc;
    padding-bottom: 500px;
    box-sizing: border-box;
    height: 100%;
    position: relative;
    margin: 0;
    overflow-x:hidden;  

}

.row::after {
    content: "";
    clear: both;
    
    
}

.col-1 {
    width: 8.33%;
}

.col-2 {
    width: 16.66%;
}

.col-3 {
    width: 25%;
}

.col-4 {
    width: 33.33%;
}

.col-5 {
    width: 41.66%;
}

.col-6 {
    width: 50%;
}

.col-7 {
    width: 58.33%;
}

.col-8 {
    width: 66.66%;
}

.col-9 {
    width: 75%;
}

.col-10 {
    width: 83.33%;
}

.col-11 {
    width: 91.66%;
}

.col-12 {
    width: 100%;
}

@media only screen and (max-width: 600px) {
    body {
        
    }
}