header {
    position: fixed;
    display: flex;
    gap: 10px;
    padding-left: 20px;
    z-index: 2;
}

.bookmark {
    position: relative;
    width: 60px;
    height: 80px;
    top: -40px;

    background-color: #bc6c25ff;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;

    transition: top .5s ease;

    display: flex;
    flex-direction: column-reverse;
    cursor: pointer;
    text-decoration: none;
}

.bookmark img{
    width: 60%;
    margin: auto auto 2px auto;
}