.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 40px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #ffc930;
    color: white;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: all 0.3s ease;
    line-height: 1;
    padding: 0;
    text-align: center;
}

.back-to-top:hover {
    background-color: #e6b52b;
    transform: translateY(-2px);
}

.back-to-top.show {
    display: flex;
}