Inner border css

div {
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    width: 100px;
    height: 100px;
    border: 20px solid #f00;
    background: #00f;
    margin: 10px;
}

div + div {
    border: 10px solid red;
}

Source: stackoverflow.com

Inner border css

div{
    -webkit-box-shadow:inset 0px 0px 0px 10px #f00;
    -moz-box-shadow:inset 0px 0px 0px 10px #f00;
    box-shadow:inset 0px 0px 0px 10px #f00;
}

Source: stackoverflow.com

Similar codes

1 vote134 views1 answer
Gatsby hide scrollbar
CSS
0 vote171 views1 answer
Sticky footer not working bootstrap
CSS
2 votes133 views2 answers
Remove border select css
CSS
9 votes157 views2 answers
Semibold css
CSS
0 vote127 views2 answers
Min font-size
CSS
1 vote164 views1 answer
Bootstrap col no gaps
CSS Bootstrap
1 vote176 views2 answers
How to reverse array of object
CSS
3 votes125 views1 answer
Mettre une image au milieu css
CSS
0 vote148 views3 answers
Hyper text programming language
CSS
39 votes137 views4 answers
Css z-index
CSS