.hc-calculator#hc-alan-hacim {
    background: #fdfdfd;
    border: 1px solid #ddd;
    border-radius: 15px;
    padding: 25px;
}

.hc-ah-dynamic-input {
    width: 100%;
}

.hc-ah-res-val {
    color: #2e7d32;
    font-size: 1.5em;
}