Remove Rounded Corners on YouTube Thumbnails by apampuch

/* ==UserStyle==
@name         Remove Rounded Corners on Youtube Thumbnails
@version      20231110.05.21
@namespace    userstyles.world/user/apampuch
@description  Removes the rounded corners of sidebar thumbnails (possibly others too)
@author       apampuch
@license      GPL v3
==/UserStyle== */

@-moz-document domain("youtube.com") {
ytd-thumbnail[size="small"] a.ytd-thumbnail,
ytd-thumbnail[size="small"]::before {
    border-radius: 0px;
}

ytd-thumbnail[size="medium"] a.ytd-thumbnail,
ytd-thumbnail[size="medium"]::before {
    border-radius: 0px;
}

ytd-thumbnail[size="large"] a.ytd-thumbnail,
ytd-thumbnail[size="large"]::before {
    border-radius: 0px;
}
}