.header {
    position: fixed;
    top: 0;
    left: 0;
    justify-content: center;
    align-items: center;
    z-index: 8;
    width: 100%;
}

.form_auth {
    width: 800px;
    position: absolute;
    right: 0;
    top: 0;
    height: 100vh;
    background: var(--white);
    z-index: 9;
    padding: 40px;
}

.nav_form {
    position: absolute;
    top: 0;
    height: 100px;
    border-bottom: 1px solid var(--gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
    width: 100%;
    left: 0px;
    padding: 0 40px;
}