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