@media screen and (max-width: 319px) {
    .logo-header-mb img{
        width: 100px;
        height: auto;
    }
}
@media (min-width: 320px) and (max-width: 480px) {
    .logo-header-mb img{
        width: 100px;
        height: auto;
    }
}
@media (min-width: 481px) and (max-width: 768px) {
    .logo-header-mb img{
        width: 100px;
        height: auto;
    }
}
@media (min-width: 768px) and (max-width: 849px) {

}
@media (min-width: 850px) and (max-width: 1020px) {

}