trilium/src/public/stylesheets/link_map.css

.link-map-container {
    position: relative;
    outline: none; /* remove dotted outline on click */
}

.link-map-container .note-box {
    padding: 8px;
    position: absolute !important;
    background-color: var(--accented-background-color);
    color: var(--main-text-color);
    z-index: 4;
    border: 1px solid #666;
    box-shadow: 2px 2px 19px #999;
    border-radius: 8px;
    opacity: 0.8;
    font-size: 11px;
    width: auto;
    height: auto;
    max-width: 150px;
    min-width: 120px;
    max-height: 100px;
    overflow: hidden;
}

.link-map-container .note-box:hover {
    background-color: var(--more-accented-background-color);
}

.link-map-container .note-box .title {
    font-size: larger;
    font-weight: 600;
}

.link-map-container .floating-button {
    position: absolute !important;
    z-index: 100;
}

.link-map-active-note {
    background-color: var(--more-accented-background-color) !important;
}