body {
    font-family: Arial, sans-serif;
    margin: 0;
}

.container {
    display: flex;
}

.sidebar {
    width: 250px;
    background-color: #f1f1f1;
    padding: 20px;
    height: 100%; /* Set height to 100% of the viewport height */
    box-shadow: 1px 0 5px rgba(0, 0, 0, 0.1);
    font-size: 14px;
    font-family: Georgia, serif;
}

.sidebar h3 {
    margin-bottom: 10px;
}

#exerciseMenu {
    list-style-type: none;
    padding: 0;
}

#exerciseMenu li {
    margin-bottom: 10px;
}

.content {
    width: 1000px;
    padding: 20px;
    font-size: 15px;
    font-family: Georgia, serif;
}

.exercise-container {
    border: 1px solid #ccc;
    padding: 15px;
    margin-bottom: 20px;
}

.show-solution-btn {
    background-color: #4CAF50;
    color: white;
    padding: 10px 15px;
    border: none;
    cursor: pointer;
}

.solution {
    margin-top: 10px;
}

.hidden {
    display: none;
}

table {
    width: 50%;
    border-collapse: collapse;
}

td {
    padding: 10px;
    border: 1px solid #ddd;
}

.smaller-column {
    width: 30%; /* Adjust the percentage as needed */
}

.larger-column {
    width: 70%; /* Adjust the percentage as needed */
}