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