css@indent

code:style.css

.app:not(.presentation) .indent-mark .char-index:not(:nth-last-child(1)):not(:nth-last-child(2)) {

position: relative;

}

.app:not(.presentation) .indent-mark .char-index:not(:nth-last-child(1)):not(:nth-last-child(2))::before {

content: " ";

position: absolute;

left: 43%;

margin: -4px 0;

background-clip: padding-box;

border-left: 2px solid rgba(220, 220, 220, 0.3); /* 色の指定 */

}