Custom Html5 Video Player Codepen -

/* buttons styling */ .ctrl-btn background: transparent; border: none; color: #f0f0f0; font-size: 20px; width: 36px; height: 36px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s ease; backdrop-filter: blur(4px);

/* VIDEO WRAPPER (for aspect ratio & rounded corners) */ .video-wrapper position: relative; width: 100%; border-radius: 1.25rem; overflow: hidden; background: #000; box-shadow: 0 12px 28px -8px rgba(0, 0, 0, 0.5); custom html5 video player codepen

updateVolumeIcon(); volumeSlider.value = video.muted ? 0 : video.volume; /* buttons styling */

.volume-slider::-webkit-slider-thumb -webkit-appearance: none; width: 12px; height: 12px; background: #f97316; border-radius: 50%; cursor: pointer; box-shadow: 0 0 4px white; border: none; transition: all 0.2s ease

.progress-bar-bg flex: 1; height: 5px; background: rgba(255, 255, 255, 0.25); border-radius: 20px; cursor: pointer; position: relative; transition: height 0.1s;

Create a container, the <video> element, and a control bar.