html {
  height: 100%;
  width: 100%;
}

body {
    font-family: Arial, sans-serif;
    font-size: 1.4em;
    color: black;
    margin: 0;
    padding: 0;
}

div {
    margin-bottom: 10px;
    text-align: center;
}

h1 {
    text-align: center;
    font-size: 36px;
    margin-top: 20px;
    margin-bottom: 30px;
}

.box {
    border: 2px solid black;
    border-radius: 10px;
    padding: 20px;
    margin: 20px auto;
    margin-bottom: 50px;
    width: 80%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    background-color: #fac0c0;
}

.inputbox {
    margin: 10px auto;
    width: 80%;
}

.inputbox label {
    display: block;
    margin-bottom: 5px;
}

.inputbox input {
    width: 90%;
    padding: 10px;
    margin: 10px;
    border: 1px solid #ff8f8f;
    border-radius: 5px;
}

.inputbox select {
    width: 90%;
    padding: 10px;
    border: 1px solid #ff8f8f;
    border-radius: 5px;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 10px;
    padding: 10px 20px;
    margin: 10px auto;
    width: 70%;
    cursor: pointer;
}

button:hover {
    background-color: #0069d9;
}

.swapbtn {
    background-color: #28a745;
    width: 20%;
    padding: 10px;
}

.swapbtn:hover {
    background-color: #218838;
}

#outputUnit {
    background-color: #f0f0f0;
    pointer-events: none; /* Disable editing */
}