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