.media-title font-size: 15px !important; line-height: 1.2 !important; -webkit-line-clamp: 2; display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden;
Better: inject JS via custom_script.js (not officially supported but works). emby css themes 2021
/* Poster card rounded corners */ .cardImage border-radius: 12px; transition: transform 0.2s; .media-title font-size: 15px !important
Browser extension (recommended for personal browsers) line-height: 1.2 !important