hover a tag code example
Example 1: on hover css
/* Changes an element's color on hover */
.selector {
background-color: black;
}
.selector:hover {
background-color: blue;
}
Example 2: how to make border hover effect in css
box-shadow: 0 0 5px <your color>, 0 0 5px <your color>, 0 0 10px <your color>;