*, ::before, ::after{

    box-sizing: border-box;
    margin: 0; 
    padding: 0;

}

body {

    height: 100vh;
    background: linear-gradient(to right, #1488cc, #2b32b2); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    font-family: Arial, Helvetica, sans-serif;

}

h2 {

    margin: 20px 0;
    text-align: center;
    font-size: 80px;

}

.container {

    background: #f1f1f1;
    padding: 15px;
    border-radius: 10px;
    width: 900px;
    max-width: 90%;
    margin: 100px auto 0;
    color: #333;

}

.phraseAEcrire {

    margin: 20px 10px;
    font-size: 25px;

}

.phrase-test {

    background-color: transparent;
    border: 2px solid #333;
    font-size: 30px;
    color: #333;
    width: 100%;
    resize: none;
    padding: 20px;
    font-family: Arial, Helvetica, sans-serif;

}

.correct {

    color: green;

}

.incorrect {

    color: red;
    text-decoration: underline;
    
}