如何解决由于 javascript 或 css 错误，Webm 视频没有以正确的宽度显示
我有一堆 Webm 视频，在显示时我希望它们覆盖整个屏幕。高度正确但宽度太短，无论我更改什么边距或宽度值，我都开始相信这不是 CSS 问题。 （视频为 1920 x 1080 像素）。解决方案可能很简单，但我对编程比较陌生。任何帮助将不胜感激！
HTML：
<style>
body {
background-image: url('videos/fondo.jpg');
background-repeat: no-repeat;
background-size: cover;
background-color: black;
}
</style>
</head>
<body>
<div id="letters">
<!--b1-->
<video id="b1" preload="auto" autoplay="true">
<source src="videos/b1.webm" type="video/webm">
Video not supported
</video>
<!--p1-->
<video id="p1" preload="auto" autoplay="true">
<source src="videos/p1.webm" type="video/webm">
Video not supported
</video>
<!--k1-->
<video id="k1" preload="auto" autoplay="true">
<source src="videos/k1.webm" type="video/webm">
Video not supported
</video>
<!--g1-->
<video id="g1" preload="auto" autoplay="true">
<source src="videos/g1.webm" type="video/webm">
Video not supported
</video>
<!--z1-->
<video id="z1" preload="auto" autoplay="true">
<source src="videos/z1.webm" type="video/webm">
Video not supported
</video>
<!--x1-->
<video id="x1" preload="auto" autoplay="true">
<source src="videos/x1.webm" type="video/webm">
Video not supported
</video>
<!--d1-->
<video id="d1" preload="auto" autoplay="true">
<source src="videos/d1.webm" type="video/webm">
Video not supported
</video>
<!--f1-->
<video id="f1" preload="auto" autoplay="true">
<source src="videos/f1.webm" type="video/webm">
Video not supported
</video>
<!--m1-->
<video id="m1" preload="auto" autoplay="true">
<source src="videos/m1.webm" type="video/webm">
Video not supported
</video>
<!--q1-->
<video id="q1" preload="auto" autoplay="true">
<source src="videos/q1.webm" type="video/webm">
Video not supported
</video>
<!--v1-->
<video id="v1" preload="auto" autoplay="true">
<source src="videos/v1.webm" type="video/webm">
Video not supported
</video>
<!--s1-->
<video id="s1" preload="auto" autoplay="true">
<source src="videos/s1.webm" type="video/webm">
Video not supported
</video>
<!--t1-->
<video id="t1" preload="auto" autoplay="true">
<source src="videos/t1.webm" type="video/webm">
Video not supported
</video>
<!--j1-->
<video id="j1" preload="auto" autoplay="true">
<source src="videos/j1.webm" type="video/webm">
Video not supported
</video>
<!--e1-->
<video id="e1" preload="auto" autoplay="true">
<source src="videos/e1.webm" type="video/webm">
Video not supported
</video>
<!--i1-->
<video id="i1" preload="auto" autoplay="true">
<source src="videos/i1.webm" type="video/webm">
Video not supported
</video>
<!--y1-->
<video id="y1" preload="auto" autoplay="true">
<source src="videos/y1.webm" type="video/webm">
Video not supported
</video>
<!--a1-->
<video id="a1" preload="auto" autoplay="true">
<source src="videos/a1.webm" type="video/webm">
Video not supported
</video>
<!--u1-->
<video id="u1" preload="auto" autoplay="true">
<source src="videos/u1.webm" type="video/webm">
Video not supported
</video>
<!--w1-->
<video id="w1" preload="auto" autoplay="true">
<source src="videos/W1.webm" type="video/webm">
Video not supported
</video>
<!--h1-->
<video id="h1" preload="auto" autoplay="true">
<source src="videos/h1.webm" type="video/webm">
Video not supported
</video>
<!--r1-->
<video id="r1" preload="auto" autoplay="true">
<source src="videos/r1.webm" type="video/webm">
Video not supported
</video>
</div>
<script src="animations.js"></script>
</body>
</html>
CSS：
#letters{
position: fixed;
min-width: 100%;
min-height: 100%;
width: 100%;
right: 0;
bottom: 0;
}
#letters video {
max-height: 100%;
max-width: 100%;
width: 100%;
margin-left: 0%;
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
}
JS：
var videos = {
'b': document.getElementById('b1'),'p': document.getElementById('p1'),'k': document.getElementById('k1'),'g': document.getElementById('g1'),'z': document.getElementById('z1'),'x': document.getElementById('x1'),'d': document.getElementById('d1'),'f': document.getElementById('f1'),'m': document.getElementById('m1'),'q': document.getElementById('q1'),'v': document.getElementById('v1'),'s': document.getElementById('s1'),'t': document.getElementById('t1'),'j': document.getElementById('j1'),'e': document.getElementById('e1'),'i': document.getElementById('i1'),'y': document.getElementById('y1'),'a': document.getElementById('a1'),'u': document.getElementById('u1'),'w': document.getElementById('w1'),'h': document.getElementById('h1'),'r': document.getElementById('r1'),}
document.addEventListener('keypress',e => {
let video = videos[e.key];
if (video) {
video.play();
video.currentTime = 0;
$(video).hide();
}
});
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