body {
    background: #111;
    color: #eee;
    font-family: Georgia, serif;
}

#container {
    margin: 2.5vh 1.5vw;
    font-size: 1.2rem;
    max-width: 45vw;
}

#text {
    word-break: break-word;
    overflow-wrap: break-word;
    transition: opacity 0.3s cubic-bezier(.4,0,.2,1);
}

.option-link,
.back-link {
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
    padding: 0;
    text-decoration: none;
    position: relative;
    display: inline-block;
    transition: color 0.3s ease;
}

.option-link {
    color: #40d088;
}

.back-link {
    margin-top: 0.5em;
    color: #aaa;
}

.option-link::after,
.back-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 2px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.option-link:hover,
.option-link:focus {
    color: #a1edc7;
}

.back-link:hover,
.back-link:focus {
    color: #ccc;
}

.option-link:hover::after,
.option-link:focus::after,
.back-link:hover::after,
.back-link:focus::after {
    transform: scaleX(1);
}

@media (max-width: 980px) {
    #container {
        font-size: 2.5rem;
        margin: 2.5vh 2vw;
        max-width: 95vw;
    }
}