.arti_line_style_0_20:after {content: ''; position: absolute; top: 7px; left: 0; width: 1px; height: calc(100% - 13px); background-color: rgba(0,0,0,0.1)}

.reverse.arti_line_style_0_20:after {content: ''; position: absolute; top: 7px; left: 0; width: 1px; height: calc(100% - 13px); background-color: rgba(255,255,255,0.2)}
.reverse .arti_line_style_0_20:after {content: ''; position: absolute; top: 7px; left: 0; width: 1px; height: calc(100% - 13px); background-color: rgba(255,255,255,0.2)}