.wallpaper-calculator {
    margin: 15px 0;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fafafa;
    width: 63%;
}

.wallpaper-calculator h3
 {
    margin-bottom: 20px;
    margin-top: 5px;
}

.wallpaper-calculator .field
 {
    margin-bottom: 10px;
    width: 46%;
    display: inline-block;
    margin-right: 7px;
}

.wallpaper-calculator label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    font-size: 13px;
}

.wallpaper-calculator input{

    width:100%;

    height:40px;

    padding:8px;

}

.calculator-result {
    margin-top: 15px;
    font-size: 15px;
    color: #444;
    font-weight: bold;
}

@media (max-width: 600px) {
.wallpaper-calculator {
    width: auto !important;
}

}