File content as of revision 3:cc86b144837b:

void CSS(void)
{
 printf_send_client("<style>\r\n");
 printf_send_client("* { padding: 0; margin: 0; vertical-align: top; }\r\n");

 printf_send_client("body {\r\n");
    printf_send_client("background: url(background.png) repeat-x;\r\n");
    printf_send_client("font: 18px/1.5em \"proxima-nova\", Helvetica, Arial, sans-serif;\r\n");
 printf_send_client("}\r\n");

 printf_send_client("a { color: #069; }\r\n");
 printf_send_client("a:hover { color: #28b; }\r\n");

 printf_send_client("h2 {\r\n");
    printf_send_client("margin-top: 15px;\r\n");
    printf_send_client("font: normal 32px \"omnes-pro\", Helvetica, Arial, sans-serif;\r\n");
 printf_send_client("}\r\n");

 printf_send_client("h3 {\r\n");
    printf_send_client("margin-left: 30px;\r\n");
    printf_send_client("font: normal 26px \"omnes-pro\", Helvetica, Arial, sans-serif;\r\n");
    printf_send_client("color: #666;\r\n");
 printf_send_client("}\r\n");

 printf_send_client("p {\r\n");
    printf_send_client("margin-top: 10px;\r\n");
 printf_send_client("}\r\n");

 printf_send_client("button {\r\n");
    printf_send_client("font-size: 18px;\r\n");
    printf_send_client("padding: 1px 7px;\r\n");
 printf_send_client("}\r\n");

 printf_send_client("input {\r\n");
    printf_send_client("font-size: 18px;\r\n");
 printf_send_client("}\r\n");

 printf_send_client("input[type=checkbox] {\r\n");
    printf_send_client("margin: 7px;\r\n");
 printf_send_client("}\r\n");

 printf_send_client("#header {\r\n");
    printf_send_client("position: relative;\r\n");
    printf_send_client("width: 900px;\r\n");
    printf_send_client("margin: auto;\r\n");
 printf_send_client("}\r\n");

 printf_send_client("#header h2 {\r\n");
    printf_send_client("margin-left: 10px;\r\n");
    printf_send_client("vertical-align: middle;\r\n");
    printf_send_client("font-size: 42px;\r\n");
    printf_send_client("font-weight: bold;\r\n");
    printf_send_client("text-decoration: none;\r\n");
    printf_send_client("color: #000;\r\n");
 printf_send_client("}\r\n");

 printf_send_client("#content {\r\n");
    printf_send_client("width: 880px;\r\n");
    printf_send_client("margin: 0 auto;\r\n");
    printf_send_client("padding: 10px;\r\n");
 printf_send_client("}\r\n");

 printf_send_client("#footer {\r\n");
    printf_send_client("margin-top: 25px;\r\n");
    printf_send_client("margin-bottom: 10px;\r\n");
    printf_send_client("text-align: center;\r\n");
    printf_send_client("font-size: 12px;\r\n");
    printf_send_client("color: #999;\r\n");
 printf_send_client("}\r\n");

 printf_send_client(".demo-container {\r\n");
    printf_send_client("box-sizing: border-box;\r\n");
    printf_send_client("width: 850px;\r\n");
    printf_send_client("height: 450px;\r\n");
    printf_send_client("padding: 20px 15px 15px 15px;\r\n");
    printf_send_client("margin: 15px auto 30px auto;\r\n");
    printf_send_client("border: 1px solid #ddd;\r\n");
    printf_send_client("background: #fff;\r\n");
    printf_send_client("background: linear-gradient(#f6f6f6 0, #fff 50px);\r\n");
    printf_send_client("background: -o-linear-gradient(#f6f6f6 0, #fff 50px);\r\n");
    printf_send_client("background: -ms-linear-gradient(#f6f6f6 0, #fff 50px);\r\n");
    printf_send_client("background: -moz-linear-gradient(#f6f6f6 0, #fff 50px);\r\n");
    printf_send_client("background: -webkit-linear-gradient(#f6f6f6 0, #fff 50px);\r\n");
    printf_send_client("box-shadow: 0 3px 10px rgba(0,0,0,0.15);\r\n");
    printf_send_client("-o-box-shadow: 0 3px 10px rgba(0,0,0,0.1);\r\n");
    printf_send_client("-ms-box-shadow: 0 3px 10px rgba(0,0,0,0.1);\r\n");
    printf_send_client("-moz-box-shadow: 0 3px 10px rgba(0,0,0,0.1);\r\n");
    printf_send_client("-webkit-box-shadow: 0 3px 10px rgba(0,0,0,0.1);\r\n");
 printf_send_client("}\r\n");

 printf_send_client(".demo-placeholder {\r\n");
    printf_send_client("width: 100%;\r\n");
    printf_send_client("height: 100%;\r\n");
    printf_send_client("font-size: 14px;\r\n");
    printf_send_client("line-height: 1.2em;\r\n");
 printf_send_client("}\r\n");

 printf_send_client(".legend table {\r\n");
    printf_send_client("border-spacing: 5px;\r\n");
 printf_send_client("}\r\n");
 printf_send_client("</style>\r\n");
}