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