Element button pseudo-element :before generated with box-sizing content-box width auto box-shadow 4px 4px 6px rgba(180,180,180,1) transition cursor default border-radius font-size 16px position static line-height 1 background overflow visible padding 10px transform font-weight normal z-index auto border 0px rgba(0,0,0,1) solid margin 15px text-shadow float none display block height auto