add boreder bottom code example
Example 1: css border bottom
.bottomBorder {
/* width style color */
border-bottom: 5px solid black;
}
Example 2: css border botttom
div {
border-bottom: 4px dashed blue;
background-color: gold;
height: 100px;
width: 100px;
font-weight: bold;
text-align: center;
}