#sspc-calculator {
    border: 2px solid #ccc;
    padding: 20px;
    border-radius: 8px;
    max-width: 350px;
    margin: 20px auto;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
}

#sspc-calculator label {
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
}

#sspc-calculator input, 
#sspc-calculator select, 
#sspc-calculator button {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

#sspc-result {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-top: 15px;
    text-align: center;
}