body {
    /*background-color: #f8f9fa;*/
    /*padding: 20px 0;*/
}
.header {
    margin-bottom: 30px;
    text-align: center;
}
.code-container {
    margin-bottom: 20px;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    overflow: hidden;
}
.code-header {
    background-color: #e9ecef;
    padding: 8px 15px;
    font-weight: bold;
    border-bottom: 1px solid #dee2e6;
}
.CodeMirror {
    height: 350px;
    font-size: 14px;
}
.btn-convert {
    margin: 20px 0;
    width: 100%;
}
.instructions {
    background-color: #f8f9fa;
    border-left: 4px solid #0d6efd;
    padding: 15px;
    margin-bottom: 20px;
}
footer {
    margin-top: 30px;
    text-align: center;
    color: #6c757d;
}
.card {
    margin-bottom: 20px;
}