* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

[class*="col-"] {
    float: left;
    padding: 15px;
    width: 100%;
}

@media only screen and (min-width: 600px){
    .col-s-1 {width: 8.33%}
    .col-s-2 {width: 16.66%}
    .col-s-3 {width: 25%}
    .col-s-4 {width: 33.33%}
    .col-s-5 {width: 41.66%}
    .col-s-6 {width: 50%}
    .col-s-7 {width: 58.33%}
    .col-s-8 {width: 66.66%}
    .col-s-9 {width: 75%}
    .col-s-10 {width: 83.33%}
    .col-s-11 {width: 91.66%}
    .col-s-12 {width: 100%}
}

@media only screen and (min-width: 768px){
    .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%}
}

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