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