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