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