body {
    font-family: Arial, sans-serif;
    background-color: #F5F5F5;
    }
    
    .calculator {
    width: 80%;
    margin: 50px auto;
    background-color: #FFFFFF;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    }
    
    h1 {
    text-align: center;
    color: #303F9F;
    margin-top: 0px;
    }
    
    .inputs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    }
    
    .inputs label {
    display: block;
    width: 100%;
    margin-bottom: 10px;
    font-size: 18px;
    color: #303F9F;
    }
    
    .inputs input {
    display: block;
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 18px;
    box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.1);
    }
    
    #calculate-bmi {
    background-color: #303F9F;
    color: #FFFFFF;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    }
    
    #calculate-bmi:hover {
    background-color: #1A237E;
    }
    
    .result {
    margin-top: 20px;
    background-color: #F5F5F5;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.1);
    }
    
    .result p {
    margin-bottom: 10px;
    font-size: 18px;
    color: #303F9F;
    }
    
    .result p span {
    font-weight: bold;
    }