css border shorthand 4 sides code example
Example 1: css border shorthand
#selector{
/*The format is border:width style color;*/
border:2px solid grey;
}
Example 2: css border different sides
/*className property values: width style color*/
.rightBorder { border-right: 1px solid black }
.leftBorder { border-left: 2px dashed red }
.topBorder { border-top: 3px dotted blue }
.bottomBorder { border-bottom: 4px double yellow }