on hover effects css code example

Example 1: css hover

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

Example 2: cool hover effects css

.i {
    color: #fff;
    font-size: 35px;
    margin: 15px 15px 0 15px;
    transition: 0.2s;
    transition-property: color, transform;
}

i:hover {
    color: #FF5733;
    transform: scale(1.3);
}

Example 3: on hover css

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

.selector {
	background-color: black;
}

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