.mb20{
    margin-bottom: 20px;
}

.header__bnr{
    width: 50%;
    margin-right: 60px;
    display: flex;
    gap: 2%;
    justify-content: center;
    flex-wrap: wrap;
}
.header__bnr div.container{
    flex-basis: 30%;
    margin-bottom: 20px;
}
.header__bnr div.container.flu{
    flex-basis: 32%;
    margin-top: 0;
    margin-bottom: 0;
}
.header__bnr div img{
    width: 100%;
    height: auto;
}