.kapsayici-ana {
    display: flex;
    flex-direction: column;
}
.ana-kkt {
    /*width: calc(100% - 20px);*/
    /*margin: 5px 14px;*/
    justify-content: center;
    align-items: center;
}
@media (min-width: 800px) {
    .kapsayici-ana {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .ana-kkt {
        flex-basis: 50%;
    }
}