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