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