pico.chat/apps/chat.css

.chat {
    z-index: 999;
    background-color: rgba(255, 255, 255, 0.95);
    position: fixed;
    height: 140px;
    width: 320px;
    right: 0;
    top: 0;
}
.chat .actions {
    display: grid;
    grid-template-columns: 1fr auto;
}
#textbox {
    resize: none;
}
.posts {
    overflow-y: scroll;
    height: 100%;
}
.post > * {
    display: inline;
    padding-right: 3px;
}
.post .ts {
    font-family: monospace;
    color: gray;
}
.post .source {
    font-weight: bold;
}
.post .text p {
    margin: 0;
}
.post .text p:first-child {
    display: inline;
}
.badge {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    color: white;
    background-color: silver;
    border: none;
    border-radius: 5px;
    font-family: verdana;
    font-size: xx-small;
    font-weight: bold;
    min-width: 15px;
    padding: 0 3px;
    margin: 3px 3px;
    line-height: 1.5;
}
.badge.hot {
    background-color: crimson;
}