Zeilenhöhe und generierter Content

by Jens Grochtdreis

HTML

<div>456</div>

CSS

div {
    font-family: Helvetica, Arial, sans-serif;
    width: 6em;
    height: 2.5em;
    border: 1px solid black;
    background: rgba(0, 0, 255, 0.5);
    
}

div:before {
    content: "123";
    font-size: 250%;
    background: rgba(255, 0, 0, 0.5);
}