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