html, body {
    margin: 0;
    height: 100%;
}

body {
    background-color: rgb(126, 255, 122);
    font-family: Arial, Helvetica, sans-serif;
}

h1 {
    padding-top: 20px;
    margin-top: 0px;
}

a {
    text-decoration: none;
}

button {
    background-color: rgb(153, 0, 255);
    border: 0px;
    font-size: 12px;
    padding: 6px;
    color: white;
    border-radius: 6px;
    margin: 2px;
    transition: 0.8s;
}

button:hover {
    background-color: rgb(255, 145, 0);
    /*transform: rotateZ(720deg) scale3d(10, 10, 0);*/
}

img {
    height: 8px;
    margin-top: 2px;
    transform: scale(3);
    margin-left: 9px;
    margin-right: 8px;
}

p {
    font-size: 12px;
}

iframe {
    width: 100%;
    box-sizing: border-box;
    height: calc(100% - 40px);
}

#back {
    position: fixed;
    bottom: 0px;
}