body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f4f4f4;
}

h1 {
    color: #333;
}

.converter {
    background-color: skyblue;
    padding: 15px;
    border-radius: 25px;
    box-shadow: 0px 8px 8px rgba(0, 0, 0, 0.2);
    display: inline-block;
    height:250px;
    color:blue;
}

input[type="number"] {
    width: 170px;
    padding: 5px;
}

select {
    padding: 5px;
}

button {
    background-color: #007BFF;
    color: #fff;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
}

.result {
    margin-top: 20px;
    font-weight: bold;
    color: green;
    font-size:25px;
}

/* Style for green-colored result */
#outputLength {
    color: green;
}

#outputUnit {
    color: green;
}