I am not expert in UI designing but today I just take one task to make theme responsive and i dig lots of theme code for how to make responsive design using media query and I found many useful articles which i really want to share here.
1) http://www.javascriptkit.com/dhtmltutors/cssmediaqueries3.shtml
2) http://www.html5rocks.com/en/mobile/mobifying/
3) http://developer.android.com/reference/android/webkit/WebView.html
4) http://www.css3.info/preview/media-queries/
5) http://caniuse.com/css-mediaqueries
6) http://mobile.smashingmagazine.com/2010/07/19/how-to-use-css3-media-queries-to-create-a-mobile-version-of-your-website/
7) http://css-tricks.com/css-media-queries/
8) http://www.ibm.com/developerworks/library/wa-cssqueries/
9) http://www.javascriptkit.com/dhtmltutors/cssmediaqueries.shtml
10 ) https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Media_queries
1) http://www.javascriptkit.com/dhtmltutors/cssmediaqueries3.shtml
2) http://www.html5rocks.com/en/mobile/mobifying/
3) http://developer.android.com/reference/android/webkit/WebView.html
4) http://www.css3.info/preview/media-queries/
5) http://caniuse.com/css-mediaqueries
6) http://mobile.smashingmagazine.com/2010/07/19/how-to-use-css3-media-queries-to-create-a-mobile-version-of-your-website/
7) http://css-tricks.com/css-media-queries/
8) http://www.ibm.com/developerworks/library/wa-cssqueries/
9) http://www.javascriptkit.com/dhtmltutors/cssmediaqueries.shtml
10 ) https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Media_queries