body { 
    font-family: Arial, sans-serif; 
    text-align: center; 
}
.toolbar button { 
    margin: 5px; 
}
.editor { 
    width: 80%; 
    height: 200px; 
    border: 1px solid #ccc; 
    padding: 10px; 
    margin: 10px auto; 
}