* { font-size: 4mm; } .sheet { height: auto; } h1 { font-weight: normal; font-size: 200%; text-align: center; margin: 0 auto; margin-bottom: 8mm; } .htk-grid { border-collapse: collapse; width: 100%; margin: 0 auto; padding: 0; } thead > tr { border-bottom: 1px solid #333; height: 10mm; } th { font-weight: normal; } td { padding-left: 2mm; } tbody > tr { height: 18mm; } .cell-image img { width: 15mm; }