body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

#app {
    padding: 20px;
}

input, button {
    margin-top: 10px;
    display: block;
}

button {
    cursor: pointer;
}

.drop-area {
    border: 2px dashed #ccc;
    padding: 20px;
    text-align: center;
    margin-top: 10px;
    cursor: pointer;
}

.drop-area:hover {
    background-color: #f9f9f9;
}

.link {
    color: #007bff;
    cursor: pointer;
    text-decoration: underline;
}

p.teaching {
    padding: 30px;
    background-color: #009845;
    color: #fff;
    border: 5px solid #ffd101;
    border-radius: 20px;
}

.teaching a {
    color: #ffd101
}