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