change color on hover css code example

Example 1: css hover

.a:hover{background-color: black;}

Example 2: on hover css

/* Changes an element's color on hover */

.selector {
	background-color: black;
}

.selector:hover {
	background-color: blue;
}

Example 3: how to chane text color when hover in css

CSS
.link { color: #FF0000; } /* CSS link color (red) */
.link:hover { color: #00FF00; } /* CSS link hover (green) */

Example 4: css change text on hover

Check this:
https://codepen.io/DevLorenzo/pen/vYXbJvd