body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f4;
}

#editor {
    border: 1px solid #ccc;
    padding: 10px;
    min-height: 300px;
    background-color: #fff;
    overflow-y: auto;
    & table {
        width: 100%;
        border-collapse: collapse;
        & th, & td {
            border: 1px solid #ccc;
            padding: 8px;
            text-align: left;
        }
        & th {
            background-color: #f0f0f0;
        }
    }
}

.button-panel {
    margin-bottom: 10px;
    & button {
        margin-right: 5px;
        padding: 10px;
        font-size: 14px;
        cursor: pointer;
        color: #000;
        & svg {
            width: 14px;
            height: 14px;
            object-fit: contain;
        }
    }
    & button:hover {
        background-color: #e0e0e0;
    }
}