header {
    width: var(--full-width);
    background: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    transition: 0.7s;
    -webkit-transition: 0.7s;
}

header .calc_container.flex {
    height: 100px;
    padding: 10px 0;
    align-items: center;
    justify-content: center;
}

.logo {
    height: 70px;
}

.logo a img {
    height: 100%;
}

@media screen and (max-width: 428px) {

    .logo {
        height: 50px;
    }

    header .calc_container.flex {
        height: 70px;
    }

}