Half border bottom

div {
    width: 500px;
    height: 100px;
    position: relative;
    padding-top: 20px;
    margin-top: 50px;
}

div::before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    width: 50%;
    left: 25%;
    border-top: 1px solid red;
}

Source: stackoverflow.com

Similar codes

0 vote262 views1 answer
Scroll div when page scroll
CSS
2 votes238 views1 answer
Css percent minus pixel
CSS
10 votes237 views2 answers
Make image darker in css
CSS
1 vote231 views1 answer
Hide number trigger in html page
CSS
1 vote214 views1 answer
Perfect circle css
CSS
1 vote238 views2 answers
Css module multiple classes
CSS
38 votes222 views3 answers
Use CSS to set the background color of the document (body) to yellow.
CSS
0 vote242 views1 answer
Uytutyu
CSS
0 vote213 views1 answer
Dict to sql python
CSS
10 votes228 views4 answers
Wp_enqueue_style
CSS