header {
    height: 200px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

header #company-logo-wrapper {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

header #company-logo-wrapper img {
    height: 70%;
}

header #company-details {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 20px;
}

header #company-details address.clickable {
    cursor: pointer;
}

header #company-details h1 {
    font-size: 30px;
    margin: 10px 0;
}

@media only screen and (max-width: 480px) {
    header {
        position: fixed;
        height: 100px;
        width: 100%;
        top: 0;
        left: 0;
        z-index: 2;
    }
}

@media only screen and (max-width: 640px) {
    header {
        height: 100px;
    }

    header #company-logo-wrapper img {
        height: 100%;
        padding: 5px;
    }

    header #company-details {
        text-align: center;
        font-size: 12px;
    }

    header #company-details h1 {
        font-size: 20px;
    }
}