window { background-color: rgba(20, 1, 21, 0.9); border-radius: 0; color: #eeeeee } entry { background-color: rgba(0, 0, 0, 0.2) } button { background: none; border: none } button:hover { background-color: rgba(255, 255, 255, 0.1) } #pinned-box { padding-bottom: 5px; border-bottom: 1px dotted gray } #files-box { padding: 5px; border: 1px dotted gray; border-radius: 15px } /* math operation result label */ #math-label { font-weight: bold; font-size: 16px }