body {
    border: none;
    margin: 0px;
    padding: 0px;
    background-position: top left;
    background-repeat: repeat-x;
}
#chooseLanguageWrapper {    
    background-position: top center;
    background-repeat:no-repeat;   
}
#flags_wrapper {
    position: relative;   
    margin-left: auto;
    margin-right: auto;      
}
.flag_img {
    position: absolute;      
    background-position: center;
    background-repeat: no-repeat;
}