Element block pseudo-class :hover generated with padding 20px background z-index auto margin -1px width 100px position static font-size 16px transform box-sizing border-box border-radius float left border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default transition overflow hidden line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) height 100% font-weight normal display block