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