* css meaning

.parent {
    background: red;
}
.child {
    overflow: hidden;
    height: 0;
    background: blue;
    -webkit-transition: all .8s ease;
    -moz-transition: all .8s ease;
    -ms-transition: all .8s ease;
    -o-transition: all .8s ease;
    transition: all .8s ease;
    color: white;
}
.parent:hover > .child {
    height: 30px;
    display: block;
}

Source: stackoverflow.com

* css meaning

cascade style sheet

Similar codes

0 vote291 views1 answer
CSS adding background image from file
CSS
0 vote284 views2 answers
Css text truncate 2 lines
CSS
4 votes292 views2 answers
Change bot description background top.gg
CSS
12 votes257 views2 answers
Input number hide button
CSS
1 vote294 views1 answer
Input type date all css style
CSS
0 vote382 views1 answer
Checkbox change background color bootstrap
CSS Bootstrap
11 votes336 views4 answers
Git hard reset to commit
CSS
8 votes338 views3 answers
Css max one line three dots
CSS
5 votes300 views3 answers
Keep background image fixed during scroll using css
CSS
0 vote293 views1 answer
Child theme broken header "styles.css"
CSS