1.firefox浏览器: background-image: -moz-linear-gradient(top , #eef9fe, #d1ecff); 2.safari.chrome浏览器: background-image: -webkit-gradient(linear, % %, % %,from(#eef9fe), to(#d1ecff)); 3.Opera浏览器: background-image: -o-linear-gradient(top , #eef9fe, #d1ecff…