html, body {
    background-color:#020;
    overscroll-behavior-x: none;
}

body > * {
    display:block;
    width:400px;
    margin:auto;
    font-family:monospace;
    text-align:center;
    color:white;
}

.bar {
    display:grid;
    grid-template-columns: auto auto;
}

.bar > *, button {
    background-color:#454;
    margin:5px;
    border-radius:10px;
    padding:5px 0;
}

button {
    cursor:pointer;
    border:none;
    outline:none;
    color:white;
    font-weight:bold;
}

#help button {
    width:100%;
}

a {
    color:white;
}