Ratio bootstrap

<div class="ratio ratio-1x1">
  <div>1x1</div>
</div>
<div class="ratio ratio-4x3">
  <div>4x3</div>
</div>
<div class="ratio ratio-16x9">
  <div>16x9</div>
</div>
<div class="ratio ratio-21x9">
  <div>21x9</div>
</div>

Source: getbootstrap.com

Similar codes

0 vote165 views1 answer
How to apply css on react chartjs
CSS
0 vote175 views1 answer
Css display offscreen
CSS
0 vote192 views1 answer
How to draw hex colun in html css
CSS
71 votes177 views6 answers
Css center image
CSS
20 votes174 views3 answers
Gradient border with border radius
CSS
0 vote215 views3 answers
Bulma capitalized
CSS Bulma
0 vote197 views1 answer
How to call media query inside css class
CSS
1 vote171 views1 answer
Css selector with text content
CSS
0 vote177 views1 answer
Min-height not working on body
CSS
1 vote174 views1 answer
Css super smooth shadow
CSS