on hover css
/* Changes an element's color on hover */ .selector { background-color: black; } .selector:hover { background-color: blue; }
css hover
.a:hover{background-color: black;}
change background color on hover
/* Change background color on hover */ .myClass:hover { background-color: yellow; }
CSS Change Background Color on Hover
.side_nav a:hover { background: #3374C2; }
Source: duckduckgo.com