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