/* Scientific Background Styling */
.gif-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: url('https://i.pinimg.com/originals/ef/1a/a2/ef1aa26a909f42be3e8e161b97f91ec6.gif');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    opacity: 0.8; /* Slightly transparent to make content more readable */
}