#header {
    background-color: rgb(166, 237, 237);
    text-align: center;
    font-weight: bold;
    height: 100px;
    padding-top: 30px;
}

#menu {
    background-color: rgb(6, 68, 6);
    font-size: 18pt;
    display: flex;
    color: white;

}

#menu div {

    border-right: 2px solid black;
    padding: 10px;
}

#main {
    color: black;
    display: flex;
    justify-content: space-between;
    height: 350px;
    flex-wrap: wrap;
}

#main div {
    padding-left: 5px;
    flex: 1;
}

.sub1 {
    background-color: rgb(229, 221, 209);
}

.sub2 {
    background-color: rgb(107, 91, 69);
}

.sub3 {
    background-color: rgb(173, 136, 98);
}

#footer {
    background-color: rgb(6, 68, 6);
    text-align: center;
    height: 50px;
    padding: 10px;
    color: white;
}

@media (max-width: 600px) {

    .sub1,
    .sub3 {
        flex: 1 !important;
        order: 1;
    }

    .sub2 {
        flex: 0 0 100% !important;
        order: 2;
    }
}