button, input[type="submit"] {
    font-size: 20px;
    padding: 10px 20px;
    width: 250px;
    cursor: pointer;
    border: none;
    background-color: #ddd;
    border-radius: 5px;
    transition: background-color 0.3s;
}

button:hover, input[type="submit"]:hover {
    background-color: #ccc;
}

#referenceSection, #topicSection, #reasonSection, #flagSection {
    display: none; 
}
.multiline {
    white-space: pre-wrap;      /* CSS3 */
    white-space: -moz-pre-wrap; /* Firefox */
    white-space: -pre-wrap;     /* Opera <7 */
    white-space: -o-pre-wrap;   /* Opera 7 */
    word-wrap: break-word;      /* IE */
}