.a_button{text-align:center;text-decoration:none;background-color:#b71c1d;color:#fff;padding:8px 6px 8px 6px;border-top:1px solid #ccc;border-right:1px solid #333;border-bottom:1px solid #333;border-left:1px solid #ccc;border-radius:5px;width:100%}.fons_cela_gris{background:#f3f3f3}.border_left_cela{border-left:1px solid #ccc}.border_right_cela{border-right:1px solid #ccc}.border_top_cela{border-top:1px solid #ccc}.border_bottom_cela{border-bottom:1px solid #ccc}.padding_5{padding:5px}.text_center{text-align:center}.text_right{text-align:right}.width_cela{width:16.7%}.fons_cela_gris_fosc{color:#fff;font-weight:400;background:#999}