style.css

/* Basic layout */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #121212;
    color: white;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    height: 100vh;
    overflow-y: auto;  /* Allow scrolling */
}

.container {
    width: 100%;
    max-width: 800px;
    background-color: #1e1e1e;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    margin-top: 20px;
    overflow: hidden;  /* Ensure content does not overflow container */
}

header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 20px;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

header .logo img {
    width: 50px;
}

header h1 {
    font-size: 24px;
    color: white;
}

header p {
    color: #a1a1a1;
    font-size: 14px;
}

/* Content section */
.content {
    overflow-y: auto;  /* Allow scroll if content overflows */
    max-height: 500px;
    padding: 20px;
}

.converter input,
.converter select {
    padding: 10px;
    width: 100%;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ddd;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
}

button:hover {
    background-color: #45a049;
}

button#swap-btn {
    background-color: transparent;
    border: 1px solid #4CAF50;
    padding: 8px;
    color: #4CAF50;
    cursor: pointer;
}

button#swap-btn:hover {
    background-color: #4CAF50;
    color: white;
}

/* Footer styling */
footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9em;
    color: #a1a1a1;
}

footer a {
    color: #4CAF50;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

#result {
    margin-top: 20px;
    font-size: 1.2em;
}