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