pico.chat/apps/chat.css

.chat {
    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;
}