body {
    font-family: Helvetica, Arial, sans-serif;
    font-size: 1.0em;
    line-height: 1.2;
    max-width: 50em;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1em;
    padding-right: 1em;
    margin-bottom: 3em;
}

h1 {
    margin-top: 1em;
    margin-bottom: 0;
}

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

nav li {
    display: inline;
}

.header-container {
    display: flex
}

.header-container h1 {
    width: 50%;
}

.header-container nav {
    width: 50%;
    text-align: right;
    margin-top: auto;
    margin-bottom: 0.2em;
}

ul {
    padding-left: 2em;
}

figure {
    text-align: center;
    padding: 5px;
}

figcaption {
    text-align: left;
    font-size: 0.9em;
}

.parantheses {
    font-size: 0.9em;
}


/* for mobile devices */
@media (max-width: 480px) {
    .float-right {
        float: none;
        margin-left: 0;
        margin-bottom: 1em;
        width: 100%;
    }
    .float-img {
        margin-right: 0.8em;
        width: 35%;
    }

    .header-container {
        display: block;
    }

    .header-container h1 {
        width: 100%;
    }
    
    .header-container nav {
        width: 100%;
        text-align: left;
    }
}