body {
    background-image: linear-gradient(black,grey);
    color: white;
}

li {
    display: inline-block;
    padding: auto;
    padding-left: 20px;
    color: white;
    text-decoration: none;
}

ul {
    padding-left: 0;
    position: relative;
    text-align: center;
    margin-bottom: 50px;
}

.call, .whatsapp, .gmail, .linkedin {
    height: 80px;
    width: 80px;
    border-radius: 50%;
    margin: 10px;
}

.gmail:hover, .linkedin:hover, .whatsapp:hover, .call:hover {
    transform: scale(1.10);
}

h1 {
    padding-top: 20px;
    font-size: 5vw;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .call, .whatsapp, .gmail, .linkedin {
        height: 60px;
        width: 60px;
    }
    
    li {
        padding-left: 10px;
    }

    h1 {
        font-size: 8vw;
    }
}

@media (max-width: 480px) {
    .call, .whatsapp, .gmail, .linkedin {
        height: 50px;
        width: 50px;
    }
    
    li {
        padding-left: 5px;
    }

    h1 {
        font-size: 10vw;
    }
}