Element block pseudo-class :active generated with padding 20px box-sizing content-box display block position static margin 0px transform width 160px cursor default z-index auto overflow hidden background transition text-shadow 1px 1px 1px rgba(0,0,0,0.2) border 0px rgba(0,0,0,1) solid border-radius line-height 1 font-weight normal font-size 16px float none height auto box-shadow 2px 2px 1px rgba(0,0,0,0.3)