<style type="text/css">
video::-internal-media-controls-download-button {
display:none;
}
video::-webkit-media-controls-enclosure {
overflow:hidden;
}
video::-webkit-media-controls-panel {
width: calc(100% + 30px); /* Adjust as needed */
}
</style>
<video src="url" height="100%" width="100%" controls="true" controlslist="nodownload"></video>