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