摘要：
源文本：@font-face { font-family: 'Open Sans'; font-style: normal; font-weight: 300; src: local('Open Sans Light'), local('OpenSans-Light'), url(http://themes.googleusercontent.com/static/fonts/opensans/v6/DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf) format('truetype' 阅读全文
