/* FULLSCREEN BTN */ .fullscreen-btn font-size: 1.3rem;
body background: linear-gradient(145deg, #0b1120 0%, #111827 100%); min-height: 100vh; display: flex; justify-content: center; align-items: center; font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; padding: 1.5rem; custom html5 video player codepen
.volume-slider width: 80px; height: 4px; -webkit-appearance: none; background: rgba(255, 255, 255, 0.3); border-radius: 5px; outline: none; cursor: pointer; /* FULLSCREEN BTN */
/* PLAY/PAUSE BIG ICON */ .play-pause-btn background: rgba(59, 130, 246, 0.85); color: white; font-weight: bold; .play-pause-btn:hover background: #3b82f6; body background: linear-gradient(145deg