如何使视频中的背景变暗而不影响其上的文本?
<div class="fullscreen-bg">
<video loop muted autoplay poster="img/videoframe.jpg" class="fullscreen-bg__video">
<source src="images/instituteVideo.webm" type="video/webm">
</video>
<div class="text-vid">
<h2 class="texts">Transform into a Smart Institute</h2>
</div>
</div>
.fullscreen-bg {
top: 0;
right: 0;
bottom: 0;
left: 0;
height: 84vh;
width: 100%;
overflow: hidden;
object-fit: cover;
z-index: -99;
position: relative;
filter: brightness(75%);
}
.text-vid {
position: absolute;
top:10%;
}
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这是我尝试过的,我也尝试过使用不起作用的背景颜色。使用过滤器会使背景变暗,但也会影响文本颜色