#scrollToTopBtn {
    position: fixed;
    bottom: 70px;
    right: 30px;
    z-index: 7;
    background-color: var(--light);
    width: 50px;
    height: 50px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: none;
    transition: opacity 0.3s ease; 
    color: var(--dark-color);
}


#scrollToTopBtn:hover {
    background: var(--dark-color);
    color: var(--light);
}

@media (max-width: 726px){
    #scrollToTopBtn {
        bottom: 20px;
        right: 10px;
    } 
}