body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #121212;
}

h1 {
    color: #ffffff;
    font-size: 60px;
    line-height: 40px;
    margin-bottom: 60px;
    text-align: center;
}

h2 {
    color: #ffffff;
    text-align: center;
}

span {
    color: #1564A9;
}

.exercicio {
    margin: 30px 50px 30px 50px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 0 40px 10px #1564A9;
    padding: 30px;
}

textarea {
    width: 90%;
    background-color: rgb(44, 44, 44);
    padding: 20px;
    border-radius: 20px;
    color: #ffffff;
    font-size: 20px;
    resize: none;
    overflow: auto;
    margin: 10px;
    outline: none;

    /* força o recorte arredondado */
    -webkit-clip-path: inset(0 round 20px);
    clip-path: inset(0 round 20px);
}


button {
    margin-top: 10px;
    padding: 8px 12px;
    font-size: 14px;
    cursor: pointer;
    color: #1564A9;
    border-color: #1564A9;
    border-radius: 20px;
    background-color: #121212;
}

button:hover {
    box-shadow: 0 0 10px #1564A9;
    transform: scale(1.05);
}

.resultado {
    background-color: #eee;
    padding: 10px;
    border-radius: 5px;
    min-height: 20px;
}