.nc-calculator {
    background: #fff;
    padding: 18px;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    font-family: Arial, Helvetica, sans-serif;
}

.nc-calculator label {
    display:block;
    margin-top:12px;
    margin-bottom:6px;
    color:#333;
    font-size:14px;
}

.nc-calculator select, .nc-calculator button {
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 6px;
    font-size: 15px;
    box-sizing: border-box;
    border: 1px solid #d6d6d6;
    border-radius: 4px;
    background:#fff;
}

.nc-calculator button {
    background-color: #7b2f2f;
    color: #fff;
    border: none;
    cursor: pointer;
    padding: 12px;
    font-weight: 600;
    margin-top: 12px;
    border-radius: 4px;
}

.nc-calculator button:hover {
    background-color: #5c1f1f;
}

#nc-result {
    border-radius: 4px;
}

@media(max-width:768px){
    .nc-calculator select, .nc-calculator button {
        font-size: 14px;
    }
}