Element block pseudo-element :before generated with background border-radius transition cursor default padding 20px transform box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) position static border 0px rgba(0,0,0,1) solid margin 0px overflow hidden float none box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto font-weight normal height auto width 160px display block line-height 1 font-size 16px