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