body {
    background-image: var(--bg-lucky-wheel);
    background-size: cover;
    background-position: center;
}

body::before {
    position: absolute;
    content: '';
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: -1;
}

.spin-body {
    width: 100%;
    min-height: 100vh;
    max-width: 576px;
    margin: 0 auto;
    background-image: var(--bg-lucky-wheel);
    background-size: cover;
    background-position: center;
}

.spinWheel::before {
    position: absolute;
    content: '';
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-image: var(--custom-wheel);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    z-index: 1;
}

.topnav {
    background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75) 0%, transparent 100%);
    height: 100px;
}

.btn-icon {
    transition: 0.3s ease;
}

.btn-icon:hover {
    transform: scale(1.125);
}