luci-app-ssr-plus: adapter luci-theme-openwrt-2020 theme

luci-app-ssr-plus/luasrc/view/shadowsocksr/check.htm

@@ -13,9 +13,9 @@
 			if (s)
 			{
 				if (rv.ret=="0")
-				s.innerHTML ="<font color='green'>"+"<%:Connect OK%>"+"</font>";
+				s.innerHTML ="<font style=\'color:green\'>"+"<%:Connect OK%>"+"</font>";
 				else
-				s.innerHTML ="<font color='red'>"+"<%:Connect Error%>"+"</font>";
+				s.innerHTML ="<font style=\'color:red\'>"+"<%:Connect Error%>"+"</font>";
 			}
 				btn.disabled = false;
 				btn.value    = '<%:Check Connect%>';