body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 20px;
}

nav ul {
    list-style: none;
    padding: 0;
    background-color: #34495e;
    overflow: hidden;
    text-align: center;
}

nav ul li {
    display: inline;
    padding: 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

main {
    padding: 20px;
    text-align: center;
}

footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 10px;
    position: absolute;
    width: 100%;
    bottom: 0;
}
#converter {
    background-color: #D7EDD9; /* Light pastel green */
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    width: 80%;
    margin: auto;
}

#converter label, #converter select, #converter input {
    display: block;
    margin: 10px auto;
}

button {
    background-color: #A3C9A8; /* Muted pastel green */
    color: white;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #89A897;
}