#a2{
padding-top:25px;
padding-right:25px;
padding-bottom:25px;
padding-left:25px;
margin-top:25px;
margin-right:25px;
margin-bottom:25px;
margin-left:25px;
border-top-width:3px;
border-right-width:3px;
border-bottom-width:3px;
border-left-width:3px;
}
| Top | Right | Bottom | Left | All sides | |
| Padding | |||||
| Margin | |||||
| Border |
Hello
world!