.baris {
    display: flex;
}

.kolom {
    float: left;
}

.left {
    width: 20%;
    padding: 10px;
}

.right {
    width: 80%;
}

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

@media screen and (max-width: 736px) {
    .kolom {
        width: 100%;
    }
}