body {
    background: linear-gradient(-90deg, #EE7752, #E73C7E, #23A6D5, #23D5AB);
    background-size: 400% 400%;
    animation: gradientAnimation 30s ease infinite;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

@keyframes gradientAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.head {
    font-family: Arial, Helvetica, sans-serif; /* Web-safe font */
    color: white;
    font-size: calc(40px + 3vw);
    text-align: center;
    animation: fadein 4s;
    user-select: none;
}

@keyframes fadein {
    from { opacity: 0; }
    to { opacity: 1; }
}