@font-face {
    font-family: Aileron-Black;
    src: url(./Aileron-Black.otf)
}

* {
    margin: 0;
    padding: 0;
}

html,
body,
nav {
    height: 100%;
    width: 100%;
}

body {
    display: flex;
    flex-direction: column;
}

header {
    background: linear-gradient(to right, rgb(255, 255, 255), rgb(217, 194, 124), rgb(166, 121, 43));
    color: rgb(0, 0, 0);
    padding: 0 1em;
}

header nav {
    display: flex;
    justify-content: space-between;
}

header nav span {
    height: 100px;
    box-sizing: border-box;
}

header nav span img {
    max-height: 100%;
    max-width: 100%;
}

header nav ul {
    display: flex;
    list-style-type: none;
    font-family: Aileron-Black;
}

header nav ul li {
    padding: 1em;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
}

header nav ul li.selected {
    background-color: rgba(255, 255, 255, .25);
}

header nav ul li:hover {
    background-color: rgba(255, 255, 255, .5);
}

iframe {
    flex: 1;
}