-o css

/* The point of "vendor prefixes" was to allow browser makers 
to start supporting experimental CSS declarations. */

/* -webkit => Chrome, Safari */
/* -moz => Firefox */
/* -o => Opera */
/* -ms => Internet Explorer */

/* example  */
.elementClass {
    -moz-border-radius: 2em;
    -ms-border-radius: 2em;
    -o-border-radius: 2em;
    -webkit-border-radius: 2em;
    border-radius: 2em;
}

Similar codes

64 votes178 views6 answers
Center image html
CSS
0 vote184 views2 answers
Sass if
CSS
0 vote176 views1 answer
How to give a background color strip in html and css
CSS
1 vote183 views1 answer
Css use :root
CSS
0 vote240 views2 answers
Sass variables across files
CSS
2 votes199 views2 answers
Css content image
CSS
0 vote210 views1 answer
Pill shape css
CSS
1 vote201 views1 answer
Difference between html and css
CSS
1 vote195 views1 answer
Css everything under element
CSS
9 votes185 views3 answers
Set whole website background image
CSS