body, html {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
}

.toolbar {
    background-color: #E3EEF9;
    padding: 10px;
    display: flex;
    justify-content: start;
    border-bottom: 1px solid #CCC;
}

.toolbar button {
    padding: 5px;
    margin-right: 5px;
}

.toolbar button:hover {
    padding: 5px;
    margin-right: 5px;
    background-color: yellow;
}

#editor {
    height: calc(100% - 40px); /* Adjusted for toolbar height */
    padding: 20px;
    overflow-y: auto;
    font-family: 'Times New Roman', serif;
    font-size: 20px;
}