.gb {
 background: url('data:image/svg+xml;base64,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');
 width: 40px;
 height: 25px;
 background-size: 100% 100%;
}

.us {
 background: url('data:image/svg+xml;base64,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');
 width: 40px;
 height: 25px;
 background-size: 100% 100%;
}