.correct {
    color: green;
}

.incorrect {
    color: red;
}

.selected {
    background-color: lightblue;
}

.cursor {
    display: inline-block;
    border-left: 2px solid black;
    height: 1em;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

#answer {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

#player {
    pointer-events: none;
}

#guide {
    letter-spacing: 0.1em;
}

#guide,
#answer {
    font-size: 2rem;
}