Element button pseudo-class :active generated with transition width auto font-size 16px box-sizing content-box float none border-radius font-weight normal background line-height normal cursor default overflow visible position static display inline-block transform box-shadow 2px 2px 2px rgba(0,0,0,0.2) padding 20px border 1px #ef1717 solid margin 0px z-index auto height auto text-shadow 1px 1px 0px rgba(255,255,255,0.66)