v3ext by tester

/* ==UserStyle==
@name           v3ext
@namespace      youtube.com
@version        1.0.0
@description    A 
@author         Me
==/UserStyle== */
@-moz-document domain("youtube.com") {
.ytg-base {
	background-attachment: fixed;
	background-color: #d5d5d5;
}
.ytp-chrome-controls .ytp-button.ytp-youtube-button, .ytp-small-mode .ytp-chrome-controls .ytp-button.ytp-youtube-button, .ytp-larger-tap-buttons.ytp-small-mode .ytp-chrome-controls .ytp-button.ytp-youtube-button {
    width:0px !important;
}
.ytp-menuitem-icon {
	display:none;
}
#player.watch-small button.ytp-v3normal.ytp-button, #player.watch-medium button.ytp-v3teather.ytp-button, .ytp-big-mode button.ytp-v3teather.ytp-button, .ytp-big-mode button.ytp-v3normal.ytp-button {
	display:none
}
#player.watch-medium {
	background: black;
	z-index:1;
	position: relative;
	animation: fadeIn 0.3s cubic-bezier(0, 0.04, 0.54, 1);
}
@keyframes fadeIn {
   0% {background: #fff;}
   100% {background: black;}
} 
}