inject.css

ytd-grid-video-renderer[is-dismissed] {
    display: none !important;
}


ytd-grid-video-renderer #video-title.yt-simple-endpoint.ytd-grid-video-renderer {
    min-height: 3.2rem;
}

.yt-vid-hider-btn{
    cursor: pointer;
    width: calc(100% + 24px);
    margin-top: 10px;
    background: #dcdcdc;
    height: 40px;
	color: rgba(255,255,255,1);
	transition: all 0.3s;
	border: 1px solid rgba(255,255,255,0.5);
	position: relative;	
	overflow: hidden;
}

.yt-vid-hider-btn:hover {
    border: 1px solid black;
    color: black;
    font-weight: bold;
}

.yt-vid-hider-btn span {
	z-index: 2;	
    display: flex;
    justify-content: center;
    align-items: center;
	width: 100%;
	height: 100%;	
}

.yt-vid-hider-btn::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 1;
	opacity: 0;
	background-color: rgba(255,255,255,0.5);
	transition: all 0.3s;
}

.yt-vid-hider-btn:hover::before {
	opacity: 1;
	-webkit-transform: skewX(-180deg)  scale(0.5,1);
	transform: skewX(-180deg)  scale(0.5,1);
}