body {
    margin: 0;
    font: 15px TW Cen Mt, Arial, Tahoma, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
}

header {
    text-align: center;
    margin: 1em;
    font-size: 1.5em;
    width: 1200px;
    border-bottom: 1px solid black;
}

header img {
    max-width: 500px;
}

.container {
    display: flex;
    max-width: 1200px;
    align-items: start;
}

main {
    flex: 1;
    width: 100%;
}

.main-nav {
    flex: 0 0 160px;
    margin: 1em;
    display: flex;
    flex-direction: column;
    align-items: center;
}


.main-nav nav li {
    background: #EEEEEE;
    width: 140px;
    margin: 3px 0 15px 0;
    padding: 5px;
    border-radius: 4px;
}

.main-nav nav li:hover {
    background: #CCCCCC;
}

.main-nav nav a:hover {
    text-decoration: none;
}

.main-nav nav a {
    display: inline-block;
    color: black;
    width: 100%;
    text-align: center;
}


.main-nav nav ul {
    list-style-type: none;
    padding: 0;
}

.content {

    margin: 1em;
    min-width: 250px;
}

.banner {
    flex: 0 0 150px;
    margin: 1em;
    text-align: center;
}

.banner .horizontal-banner {
    display: none;
    margin: 1rem;
}

footer {
    width: 1200px;
    text-align: center;
    margin: 1rem;
    border-top: 1px solid black;
    padding-top: 1rem;
}


a {
    text-decoration: none;
    color: blue;
}

a:hover {
    text-decoration: underline;
}

.center {
    display: flex;
    width: 100%;
    align-items: center;
    flex-direction: column;
}

.content-image {
    border-radius: 10px;
    max-width: 650px;
}

.sm-font {
    font-size: 0.8rem;
}

.lg-font {
    font-size: 2rem;
}

#nav-mobile {
    display: none;
}

#nav-mobile a {
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.form-field {
    padding: 5px;
}

.mic-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    border: 1px solid #CCCCCC;
    padding: 1rem;
    margin: 1rem;

}

.mic-form--row {
    display: flex;
    gap: 1rem;
}

.danger {
    color: red;
}

h1 {
    font-family: inherit;
    font-size: 2rem;
    font-weight: normal;
    margin: 0;
}

h2 {
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: normal;
    margin: 0;
}

h3 {
    font-family: inherit;
    font-size: 1rem;
    font-weight: bold;
    margin: 0;
}

@media (max-width: 900px) {
    body {
        margin: 0.5rem;
    }

    .container {
        flex-direction: column;
        border-top: 1px solid black;
    }

    header,
    footer,
    .main-nav,
    .content,
    .banner {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    header {
        margin-bottom: 0;
    }

    img {
        max-width: 100% !important;
    }

    .content-image {
        border-radius: 10px;
        width: 100%;
    }

    .main-nav {
        display: none;
        border-bottom: 1px solid black;
        padding-bottom: 1rem;
    }

    .main-nav.desktop {
        display: block;
        opacity: 1;
        transform: scale(1);
    }

    #nav-mobile {
        display: flex;
        justify-content: right;
        width: 100%;
    }

    .banner {
        border-top: 1px solid black;
    }

    .banner .vertical-banner {
        display: none;
    }

    .banner .horizontal-banner {
        display: block;
    }

    .mic-form--row {
        flex-direction: column;
    }

}