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