body {
    background-color:aqua;
    color: #ffffff;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.card {
    background-color: #1e1e1e;
    border-radius: 8px;
    padding: 20px;
    width: 400px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    text-align: center;
}

h1 {
    margin-bottom: 20px;
    font-size: 24px;
}

select, input, button {
    width: calc(50% - 10px);
    padding: 10px;
    margin: 10px 5px;
    border: 1px solid #ffffff;
    border-radius: 5px;
    background-color: #252525;
    color: #ffffff;
}

button {
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    box-shadow: 0 0 10px #ffffff;
}

.dropdowns {
    display: flex;
    justify-content: space-between;
}

.input-boxes {
    display: flex;
    justify-content: space-between;
}

.calculate-button {
    width: 100%;
    margin-top: 20px;
}