The main image in our responsive email is showing as compressed - only in Nexus 5 and Chrome...
is there a solution for this?

<td align="center" style="padding: 5px 0 0px 0; font-size: 16px; line-height: 25px; font-family: Helvetica, Arial, sans-serif; color: #666666; font-weight: normal;"><a href="#"><img src="sf-1.jpg" width="600" height="135"  alt="text" border="0"  style="display: block; border: 0; font-family: 'Open Sans', Arial, sans-serif; color: #FCA039; font-style: normal; font-size: 26px; line-height:18px; width: 600px; height: 135px; text-align:center;" class="img-max"></a></td>

   img[class="img-max"]{
          max-width: 100% !important;
          width: 100% !important;
          height:auto !important;
        }