html{
    background: linear-gradient(#809bce, #95b8d1, #b8e0d4, #d6eadf) no-repeat;
}

html, body {
    min-height: 100%;
    max-height: 100%;
    padding: 0;
    margin: 0;
}

#Main {
    display: flex;
    justify-content: center;
    margin-top: 42vh;
}

.center {
    width:100%;
    position : absolute;
}

a {
    text-decoration: none;
}

a.button {
    font-family: 'Roboto', sans-serif;
    font-size: 6vh;
    transition: 0.4s;
    border-radius: 2vh;
    color: #ffffff;
    background-color: #000000;
    padding: 1vh 2vh;
}
a.button:hover {
    box-shadow: 0 0 7rem #ffffff;
    transition: 0.4s;
}