.rp {
    width: 50px;
    height: 50px;
    opacity: 0.7;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
    background-color: black;
    color: white;
    position: fixed;
    z-index: 20;
    right: 0;
    top: 40%;
    transform: translateY(-40%);
    display: flex;
    cursor: pointer;
    justify-content: center;
    align-items: center;
}

.rp i {
    transition: transform 0.5s ease;
}

.rp:hover i {
    transform: rotate(180deg);
}