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