.c_sa  {
        width: 138px;
    height: 70px;
    background-color:  Navy;
    background: url(c_sa.png) no-repeat top left;
}

.flag_sa_AR{ background-position: 0 0; width: 138px; height: 89px; } 
.flag_sa_BO{ background-position: 0 -139px; width: 138px; height: 94px; } 
.flag_sa_BR{ background-position: 0 -283px; width: 138px; height: 96px; } 
.flag_sa_CL{ background-position: 0 -429px; width: 138px; height: 92px; } 
.flag_sa_CO{ background-position: 0 -571px; width: 138px; height: 92px; } 
.flag_sa_EC{ background-position: 0 -713px; width: 138px; height: 69px; } 
.flag_sa_GY{ background-position: 0 -832px; width: 138px; height: 83px; } 
.flag_sa_PE{ background-position: 0 -965px; width: 138px; height: 92px; } 
.flag_sa_PY{ background-position: 0 -1107px; width: 138px; height: 83px; } 
.flag_sa_SR{ background-position: 0 -1240px; width: 138px; height: 92px; } 
.flag_sa_UY{ background-position: 0 -1382px; width: 138px; height: 92px; } 
.flag_sa_VE{ background-position: 0 -1524px; width: 138px; height: 92px; }