body {
    background-color: #f4f4f4;
}

.CodeMirror {
    width: 100%;
    height: 100%;
    font-size: 16px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    resize: none;
    background-color: #f9f9f9;
    color: #333;
    font-family: Consolas, 'Courier New', monospace;
    line-height: 1.6;
    outline: none;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 24px;
    color: #333;
}

.font-size {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.font-size label {
    margin-right: 10px;
}

.font-size input {
    width: 50px;
    padding: 5px;
    margin-right: 10px;
    text-align: center;
}

button {
    padding: 5px 10px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.lang {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.lang label {
    margin-right: 10px;
}

.lang select {
    padding: 5px;
    margin-right: 10px;
}

.theme {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.theme label {
    margin-right: 10px;
}

.theme select {
    padding: 5px;
    margin-right: 10px;
}