Theme matteblack v1 by [@s1lv3r:wolfgirl.pet]
Dark theme, a bit of a mashup of various themes + custom changes
Last updated at 2026-03-02 22:03:33.505438 +0000 +0000
To use the theme, paste this into your custom CSS:
@import url("https://css.gomuks.app/theme/matteblack.css");
@media (min-width: 721px) {
button.back {
display: none;
}
}
:root {
--background-color: #141414;
--timeline-hover-bg-color: #171717;
--message-bubble-background-color: #202020;
--text-color: #ebebeb;
--border-color: #404040;
--space-list-background-overlay: #1a1a1a;
--room-list-background-overlay: #1a1a1a;
--timeline-vertical-padding: 0.25rem;
--composer-background-color: #333;
--timeline-message-gap-same-sender: 0;
--monospace-font-stack: "SauceCodePro NFM";
--timeline-sender-name-content-gap: 0.3rem;
--timeline-highlight-bg-color: #3312;
--timeline-highlight-hover-bg-color: #3315;
}
img.avatar {
border-radius: 20%;
}
div.room-list-wrapper {
grid-template:
"spacebar search" var(--window-top-margin)
"spacebar roomlist" 3.5rem
"spacebar roomlist" 1fr /
3rem 1fr;
grid-template-rows: 3.5rem 2fr;
grid-template-columns: 3.9rem 1fr;
}
div.room-search-wrapper {
height: unset;
}
div.room-list-wrapper,
div.space-bar {
border-right: 1px solid var(--border-color);
}
div.room-header,
div.room-search-wrapper {
border-bottom: 1px solid var(--border-color);
}
div.space-entry,
div.message-composer {
border: 1px solid var(--border-color);
padding: 0.35rem;
}
div.room-entry {
width: unset;
padding: 0.35rem;
}
div.space-entry {
margin: 0.6rem !important;
}
div.space-entry[data-target-space] {
border: 1px solid transparent;
}
.html-body {
table {
border-collapse: collapse;
display: table;
border-spacing: 0;
}
table th {
border: 2px solid var(--border-color);
}
table tr {
background-color: var(--timeline-hover-bg-color);
}
table tr:nth-child(2n) {
background-color: var(--background-color);
}
table td {
padding: 0.5rem;
border: 1px solid var(--border-color);
}
}
/*
* Bubble messages
*/
.timeline-event.small-event {
color: #888;
}
.timeline-event:not(.small-event) .event-content {
width: 90%;
max-width: max-content;
padding: 0.5rem 0.75rem;
background: var(--message-bubble-background-color);
border-radius: 1.25rem;
}
.timeline-event .event-content .event-reactions {
margin-bottom: 0;
margin-top: 0.6rem;
}
.timeline-event:not(.small-event) {
padding-top: 2px;
padding-bottom: 2px;
}
.timeline-event.same-sender.timeline-event:not(.small-event)
.event-content {
border-top-left-radius: 0;
}
.timeline-event.timeline-event:not(.small-event):has(
+ .same-sender
)
.event-content {
border-bottom-left-radius: 0;
}
.timeline-event .event-sender-and-time .event-time {
margin-left: 0.2rem;
margin-right: 0.3rem;
}
/* Code blocks */
.timeline-event .event-content .message-text pre {
padding-top: 0.3rem;
margin-top: 0.6rem !important;
margin-bottom: 0.6rem !important;
}
/* Always show member ID */
.member-list .member {
grid-template: "avatar displayname" 1.75rem "avatar userid" 1.25rem / 2.5rem 1fr !important;
div.displayname {
align-self: end !important;
}
div.user-id {
display: block !important;
align-self: start;
}
}
/* Typing notification padding */
.room-view .typing-notifications {
margin-top: 2px;
margin-bottom: 2px;
}