@if hexo-config('reading_progress.enable') { .reading-progress-bar { --progress: 0; background: convert(hexo-config('reading_progress.color')); height: convert(hexo-config('reading_progress.height')); position: fixed; z-index: $zindex-5; @if hexo-config('reading_progress.reversed') { width: calc(100% - var(--progress)); } @else { width: var(--progress); } @if hexo-config('reading_progress.start_at') == 'right' { right: 0; } @else { left: 0; } @if hexo-config('reading_progress.position') == 'bottom' { bottom: 0; } @else { top: 0; } } }