Net Price Calculator

#npcalc-div {
position: relative;
overflow: hidden;
height: 0;
padding-top: 56.25%;
}

.resp-iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
border: 0;
}

.frame {
display: block;
width: 100vw;
height: 100vh;
max-width: 100%;
margin: 0;
padding: 0;
border: 0 none;
box-sizing: border-box;
}