body {
    overflow-y: hidden;
    overflow-x: hidden;
}

body,
html,
* {
    margin: 0%;
    padding: 0%;
}

iframe {
    width: 100vw;
    height: 100vh;
    margin-top: 30px;
}

.animation {
     background-color: #3c4557 !important; 
}