html, body {
    width: 100%;
    min-height: 100%;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: start;
}

.hidden {
    display: none;
}
body > div {
    max-width: 100%;
    word-wrap: break-word;
}

pre {
    max-width: 100%;
    overflow: auto;
}

.warning {
    color: #dd9900;
    font-weight: bold
}

.error {
    color: #ff3311;
    font-weight: bold;
}

button[disabled] {
    opacity: 0.5;
    border: 1px solid rgba(74, 20, 140, 0.5);
}

button {
    background-color: #e8eaf6;
    border: 1px solid #3f51b5;
    font-size: 1em;
    padding: 0.75em;
}