.partners li.mcp { background-image:url(/images/Cert_Partner_rgb_42.png); }
.partners li.motorola { float:left; width:160px; background-image:url(/images/M_S_EM_AR_RGB.png); }

.partners li.mcpd { float:left; width:135px; margin-right:5px; background-image:url(/images/MCPD.png); }
.partners li.mcts { float:left; width:135px; background-image:url(/images/MCTS.png); }