How can I make a multiple vertical line with html?

Question

How can I make a multiple vertical line with html?

Answer 1

.line{
width:1px;
height:100vh;
position:fixed;
top:0;
left: (your choice, eg 33vw,66vw);
}

https://code.sololearn.com/W2HVI8U0Af5q/?ref=app