html {
    background-color: white;
    color: black;
    font-family: monospace;
}
body {
    margin: 0;
    padding: 0;
}

h1,
h2.testheading {
    text-align: center;
}

#il-content-guide {
    position: fixed;
    box-sizing: border-box;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    padding: 0 var(--il-content-margin);
}
#il-content-guide::after {
    opacity: 0.1;
    position: relative;
    display: block;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    max-width: var(--il-content-max-width);
    content: "";
    margin: 0 auto;
    background-color: var(--il-blue);
}

.outside-click-target,
.placeholder {
    border: 2px solid rgba(0, 0, 0, 0.25);
    padding: 1em;
    background-color: rgba(0, 0, 0, 0.1);
    text-align: center;
    font-weight: bold;
}
.outside-click-target {
    margin: 1em;
}

.section-nav-example {
    margin-top: 40px;
    margin-bottom: 40px;
}