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