Element button pseudo-class :active generated with width auto box-sizing content-box font-size 16px line-height normal text-shadow 1px 1px 0px rgba(255,255,255,0.66) transform overflow visible border-radius transition background display inline-block padding 20px font-weight normal z-index auto float none cursor default height auto margin 0px border 1px #b7b7b7 solid box-shadow 2px 2px 2px rgba(0,0,0,0.2) position static