.row {
    display: flex;
    flex-wrap: wrap;
    background-color: inherit;
    color: inherit;
}

[class*="col-"] {
    padding: 0;
    box-sizing: border-box;
    background-color: inherit;
    color: inherit;
}

.col-1 {
    flex: 0 0 8.33%;
    max-width: 8.33%;
}

.col-2 {
    flex: 0 0 16.66%;
    max-width: 16.66%;
}

.col-3 {
    flex: 0 0 25%;
    max-width: 25%;
}

.col-4 {
    flex: 0 0 33.33%;
    max-width: 33.33%;
}

.col-5 {
    flex: 0 0 41.66%;
    max-width: 41.66%;
}

.col-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

.col-7 {
    flex: 0 0 58.33%;
    max-width: 58.33%;
}

.col-8 {
    flex: 0 0 66.66%;
    max-width: 66.66%;
}

.col-9 {
    flex: 0 0 75%;
    max-width: 75%;
}

.col-10 {
    flex: 0 0 83.33%;
    max-width: 83.33%;
}

.col-11 {
    flex: 0 0 91.66%;
    max-width: 91.66%;
}

.col-12 {
    flex: 0 0 100%;
    max-width: 100%;
}

@media (max-width: 780px) {
    .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
    .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}