nixos-config/overlays/element-web/user.css

.mx_NotificationBadge_dot {
   display: none !important;
}

.mx_RoomTile_nameHasUnreadEvents {
   font-weight: normal !important;
}

/* Basic styles */

body {
	color: #000;
	user-select: none !important;
}

input, textarea {
	user-select: text !important;
}
input[type=text], textarea {
	cursor: text;
}

/* App header */

.mx_RoomHeader {
	background: #efefef;
	border-bottom: 1px solid #ccc;
}
.mx_RoomHeader_buttons {
	background: transparent;
}

/* Bottom bar */

.mx_MessageComposer {
	background: #efefef;
	border-top: 1px solid #ccc;
}

.mx_MessageComposer_avatar img {
	background-color: transparent;
}

.mx_BasicMessageComposer_input {
	background: #fff;
	padding: 8px !important;
	border-radius: 8px;
}

/* Left bars */

.mx_SpacePanel_spaceTreeWrapper {
	background: transparent;
	padding: 0 !important;
}

.mx_LeftPanel,
.mx_SpacePanel {
	background: #EFEFEF !important;
}
.mx_LeftPanel > * {
	background: transparent !important;
}
.mx_LeftPanel .mx_LeftPanel_roomListContainer {
	backdrop-filter: none;
}

.mx_SpacePanel {
	border-right: 1px solid #ccc;
}

.mx_SpacePanel_toggleCollapse,
.mx_SpacePanel li > div {
	padding: 0;
	margin: 0 !important;
}

.mx_LeftPanel .mx_LeftPanel_roomListContainer .mx_LeftPanel_filterContainer {
	margin-left: 0;
	margin-right: 0;
}

.mx_LeftPanel .mx_LeftPanel_roomListContainer .mx_LeftPanel_userHeader {
	padding: 12px 0 !important;
}

.mx_RoomSublist_resizeBox  {
	user-select: none !important;
}

.mx_LeftPanel.mx_LeftPanel_minimized .mx_LeftPanel_roomListContainer {
	width: 48px;
}

.mx_RoomTile.mx_RoomTile_selected {
	background-color: #308CC6;
	border-radius: 8px;
}
.mx_DecoratedRoomAvatar_icon {
	background: #fff !important;
	margin: 2px !important;
	border: 2px solid #fff;
}

.mx_RoomSublist_resizeBox {
	overflow: initial !important;
}


.mx_SpaceButton_narrow {
	position: relative;
}

.mx_SpaceButton_narrow > .mx_SpaceButton_toggleCollapse {
	width: 10px !important;
	height: 12px !important;
	border-radius: 4px;
	border: 1px solid #ccc !important;
	background-color: #efefef !important;
	position: absolute;
	bottom: 0px;
	right:  0px;
	z-index: 10;
	-webkit-mask-image: unset !important;
	mask-image: unset !important;
	transform: unset !important;
}
.mx_SpaceButton_narrow > .mx_SpaceButton_toggleCollapse::before {
	content: "";
	position: absolute;
	top: 0;
	right: 0;
	width: 5px;
	height: 5px;
	display: block;
	border-top: 2px solid #ccc;
	border-right: 2px solid #ccc;
	transform:  translateX(-3px) translateY(2px) rotate(45deg);
}

.mx_SpaceButton_selectionWrapper {
}
.mx_SpaceButton_active .mx_SpaceButton_selectionWrapper {
	border-radius: 8px !important;
	border-color: #308cc6 !important;
	background: #308cc6 !important;
}
.mx_SpaceButton_active .mx_SpaceButton_selectionWrapper > img {
	border-radius: 5px !important;;
}
.mx_SpaceButton_selectionWrapper > img {
	border-radius: 6px !important;
	height: 32px !important;
	width: 32px !important;
	position: relative;
}

.mx_ResizeHandle:hover {
	background: #cccccc;
}

.mx_ResizeHandle {
	background: #cccc;
	width: 1px !important;
	padding: 0 !important;
	margin: 0;
	margin-right: 0 !important;
}

/* Messages view */

.mx_RoomView_MessageList {
	user-select: text !important;
	padding: 0;
	padding-left: 2px;
}

.mx_RoomView_messageListWrapper {
	/* Ensures read state is trackable */
	padding-bottom: 2px;
}

.mx_WhoIsTypingTile {
	border-top: 1px solid #ccc;
	background: #efefef;
	padding: 0;
	position: relative;
	top: 2px; /* See .mx_RoomView_messageListWrapper */
}

.mx_IRCLayout .mx_EventTile .mx_MessageTimestamp {
	width: auto;
}

.mx_EventTile_content {
	margin-right: initial;
}

.mx_MImageBody_thumbnail_container {
	max-height: 64px !important;
}
.mx_MImageBody_thumbnail {
	width: auto;
}