html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    background-color: #EEEEEE;
}
* { box-sizing: inherit; }

iframe {
    border: 0;
    width: 100%;
    height: 90%;
}

#waiver-link {
    margin: 0;
    text-align: center;
}
#waiver-link a {
    display: block;
    margin: auto;
    color: white;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 900;
    font-size: 2rem;
    background-color: #4CB8D8;
    padding: 2rem;
    border-radius: 4rem;
    width: 500px;
    box-shadow: 0.75rem 0.75rem #117bbb;
    float: none;
    font-family: sans-serif;
}
#kiosk .big-button:active {
  box-shadow: 0.25rem 0.25rem #117bbb;
  position: relative;
  top: .5rem;
  left: .5rem;
}