hover effects in 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: hover effect

.entry h2{
    font-size:36px;
    color:#000;
    font-weight:800;
}

.entry h2:hover{
    color:#f00;
}