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