html {
    min-height: 100vh;
    margin: 0;
    padding: 0;
    font-family: 'JetBrains Mono', sans-serif;
    color: #000000;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    margin: 0;
    padding: 0;
    height: 100vh;
    font-family: 'JetBrains Mono', serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 25.2px;
}

.header {
    display: flex;
    justify-content: center;
    align-items: center; /* Vertically center the logo */
    flex: 0 1 auto;
    padding: 24px 48px;
    background-color: #FFFFFF; /* White background color */
    flex-shrink: 0;
    gap: 36px;
}

.header-logo {
    width: 135px;
    height: 22px;
}

.container {
    flex: 1 1 auto;
    padding: 24px 48px;
    flex-grow: 1;
    overflow: auto;
}

.content {
    max-width: 840px;
    margin: auto;
}

.footer {
    display: flex;
    justify-content: center;
    flex: 0 1 auto;
    padding: 24px 48px;
    background-color: #FFFFFF; /* White background color */
    flex-shrink: 0;
}

h2, h3, h4, h5, h6 {
    color: #000000; /* Text color remains black */
    position: relative;
    display: inline-block; /* Ensure the underline is only as long as the text */
}

h2::after, h3::after, h4::after, h5::after, h6::after {
    content: '';
    display: block;
    width: 100%;
    height: 2px; /* Adjust the thickness of the underline as needed */
    background-color: #FFDD15; /* Underline color */
    position: absolute;
    bottom: 0; /* Adjust the position of the underline as needed */
    left: 0;
}

h2 + p {
    margin-top: 0;
}

/* ...existing code... */