*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html{
    font-size: 62.5%;
}
body{
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f0f0f0;
}
.editor-container{
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
}
.editor{
    display: flex;
    flex-direction: column;
    border: 1px solid #ccc;
    border-radius: 3px;
    overflow: hidden;
}
textarea{
    flex: 1;
    padding: 10px;
    border: none;
    resize: none;
}
.output{
    padding: 10px;
    background-color: #f0f0f0;
}
button{
    padding: 10px 20px;
    margin-top: 8px;
    background-color: #007bff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    color: #f0f0f0;
}