#signInBlock, #siteDescription{
    text-align: center;
    margin: 0 auto;
    vertical-align: center;
}

#signInBlock{
    vertical-align: center;
    padding: 30px;
    margin-top: 50px;
    width: 30vw;
    height: 15vh;
    border-radius: 30px;
    background-color: ghostwhite;
}
#center{
    height: 59vh;
}
html{
    height: 100vh;
}
#g-signin2{
    text-align: center;
    margin: 0 auto;
}
.abcRioButton{
    display: block;
    margin: 0 auto;
    border-radius: 10px;
}

body{
    background-color: white;
    height: 100%;
}
header{
    text-align: center;
    float: top;
    height: 10vw;
    background-color: white;
}
footer{
    background-color: lightsteelblue;
    float: bottom;
    height: 7vw;
    color: white;
    text-align: center;
    bottom: 0;
    top: auto;
}
footer a {
    width: inherit;
    color: white;
    text-decoration: none;
    text-align: center;
}
footer a:hover {
    width: inherit;
    color: darkblue;
    text-decoration: none;
    text-align: center;
}