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

main {
    width: 900px;
    margin: 80px auto;
    background-color: rgb(3, 54, 3);
    padding: 3rem;
    border-radius: 10px;
}

#move {
    width: 50%;
    margin: 0rem auto;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

#move a {
    color: yellowgreen;
}

.img-sec {
    width: 50%;
}

.img-sec img {
    width: 100%;
    padding-bottom: 1rem;
    max-width: max(25vw, 3em);
}

.button {
    width: 100%;
    height: 200px;
    background-color: black;
    overflow: hidden;
}

.col {
    height: 100%;
    position: relative;
    width: 2.5rem;
    float: left;
    margin: 2px;
    background: aliceblue;
    border-radius: 3px;
}

.col.black::after {
    background: black;
    content: "";
    position: absolute;
    float: left;
    left: -18px;
    width: 32px;
    height: 100px;
    border-radius: 0 0 3px 3px;
}

@media (max-width: 768px) {
    #main {
        width: 358px;
    }

    .col {
        width: 2.5rem;
    }

    #logo {
        width: 250px;
    }
}