/* This targets the entire background of the presentation */
html, body, section, .slide {
    background: linear-gradient(135deg, #2ecc71, #3498db) !important;
    background-attachment: fixed;
    margin: 0;
    height: 100%;
    width: 100%;
}

/* Ensure text doesn't disappear */
section h1, section h2, section p, section li {
    color: white !important;
}