:root{--font-color: #444;--font-size: 12px;--font-weight: 500;--input-width: 60px;--input-height: 24px;--input-padding: 4px;--input-border: 1px solid #666;--input-border-radius: 3px;--input-width-2: 70px;--input-light-color: #ddd;--input-dark-color: #bbb;--input-l-blue-color: #cde8ff;--input-blue-color: #2196F3;--input-border-color: #bbb;--input-slider-width: 140px;--top-bar-height: 54px;--video-bar-height: 102px;--button-color-green: hsl(120, 65%, 34%);--button-color-green-dark: hsl(120, 65%, 26%);--button-color-red: hsl(0, 85%, 34%);--button-color-red-dark: hsl(0, 85%, 26%)}html{height:100%}body{margin:0;padding:0;border:0;user-select:none;height:100%;font-family:-apple-system,Helvetica Neue,Arial,Helvetica,sans-serif;font-weight:500;font-size:12px}.not-visible{visibility:hidden;display:none}