#middle-main {background-color: #c2c2bc;}#pic-title {background-color: #c2c2bc; left: 50%; top: 18.2848em;}#grad-tr     {background-image: url('../I/middle-bg-grad-tr_c2c2bc.png');}#goniometer2 {background-image: url('../I/solverHV.png');}