body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #333;
    color: #ffffff;
}

.container {
    text-align: center;
    padding: 0 20px;
}

#text-display {
    margin-bottom: 20px;
    font-size: 20px;
    white-space: pre-wrap;
    position: relative;
    padding: 0 20px;
}

#text-input {
    width: 90%;
    height: 100px;
    font-size: 18px;
    opacity: 0;
    position: absolute;
    left: -9999px;
}

#wpm-display {
    margin-top: 20px;
    font-size: 24px;
}

button {
    margin-top: 10px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}

.correct {
    color: green;
}

.incorrect {
    color: red;
}

.cursor {
    border-left: 2px solid #fff;
    animation: blink 0.7s steps(1) infinite;
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

.text-length-selector {
    position: absolute;
    top: 10px;
    right: 10px;
    color: #fff;
}