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