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