* {
    margin: 0;
    padding: 0;
    list-style: none;
    box-sizing: border-box;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
/*
body::after {
    content: 'Resize Viewport ↘';
    position: fixed;
    bottom: 1em;
    right: 1em;
    opacity: 0.5;
    font-size: 0.8em;
}
*/

header {
    width: 100%;
    float: left;
    background: yellowgreen;
    border-bottom: 1px solid rgba(0,0,0,0.5);
}

.logo {
    border-radius: 8px;
    border: 1px solid darkolivegreen;
    display: block;
    width: 100%;
    padding: 1em;
    text-decoration: none;
    text-transform: uppercase;
    background: lightgoldenrodyellow;
    color: darkolivegreen;
}

nav {
    border-radius: 8px;
    width: 100%;
    float: left;
    background: lightgoldenrodyellow;
}

    nav li {
        float: left;
        width: 100%;
    }

    nav a {
        border-radius: 8px;
        display: block;
        height: 100%;
        width: 100%;
        padding: 1em;
        font-weight: bold;
        text-decoration: none;
        color: black;
        background: lightgoldenrodyellow;
        border-top: 1px solid rgba(0,0,0,0.5);
    }

        nav a:hover {
            border-radius: 8px;
            /*
            background: cyan;
                */
            background: rgba(0,0,0,0.2);
            color: indianred;
        }



@media screen and (min-width:800px) {

    .logo {
        width: auto;
        float: left;
    }

    nav {
        float: right;
        width: auto;
    }

        nav a {
            border: none;
        }

        nav li {
            width: auto;
        }
}