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