.wa-icon {
    width: 30px;
    height: 30px;
    fill: white;
}            
/* Variant 8: 3D Effect */
.btn-8 {
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 8px 0 #1a9b4f, 0 10px 20px rgba(0, 0, 0, 0.3);
}

.btn-8:hover {
    transform: translateY(4px);
    box-shadow: 0 4px 0 #1a9b4f, 0 6px 15px rgba(0, 0, 0, 0.3);
}