.background {   background: url("../pics/backgrounds/IMG_6418_HR_landscape_C.jpg") 50% 0;  }

@media only screen and (max-width : 1040px) and (orientation : portrait)

{   .background {background: url("../pics/backgrounds/C_IMG_6390_B.jpg") 50% 0;
     background-repeat: no-repeat;
     background-size: cover;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover; } }

@media only screen and (max-width : 1040px) and (orientation : landscape)
   
{   .background {background: url("../pics/backgrounds/C_IMG_6418_B_mobile_landscape_C.jpg") 50% 0;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;} }