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