.fi-de { 
    background-image: url("images/flags/de.svg"); 
}
.fi-de.fis { 
    background-image: url("images/flags/de.svg1");  
}

.fi-us { 
    background-image: url("/assets/flags/4x3/us.svg"); 
}
.fi-us.fis { 
    background-image: url("/assets/flags/1x1/us.svg"); 
}

.fi-gr { 
    background-image: url("/assets/flags/4x3/gr.svg"); 
}
.fi-gr.fis { 
    background-image: url("/assets/flags/1x1/gr.svg"); 
}