.header{
    background: rgba(0,0,0,1);
    padding: 0 5%;
}

.flex{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (max-width: 1366px) {
    .ddsmoothmenu ul li {
        margin-right: 30px;
    }
    .header{
        padding: 0 0;
    }
}