body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #666;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #333;
    background-image: url('bg.gif');
    background-size: cover;
    background-position: center;
    overflow:hidden;
}
header {
    position: relative;
    top:-4em;
    color: #fff;
    max-width:50em;
    padding: 0;
    text-align: center;
}
main {
    position: relative;
    top:-4em;
    color: #fff;
    max-width:50em;
    padding: 0;
    text-align: center;
}
h1 {
    font-size: 4em;
    font-weight:700;
    margin: 0;
}
h2.headline{
    font-size: 1.8em;
}
p {
    margin:1em 0;
}
p.desc,
p.notice{
    font-size: 1.2em;
    line-height:1.6em;
}
p a{
    color:#fff;
}
a.button {
    display: inline-block;
    background-color: #08f;
    color: #eee;
    margin:.5em;
    height:90px ;
    overflow:hidden;
    line-height:90px ;
    text-decoration: none;
    border-radius: .5em;
    font-size: 1.5em;
    transition: background-color 0.3s ease;
    box-shadow: #000 0px 0px 30px;
    opacity:.9;
}
a.button:hover {
    opacity:1;
}
a.button.start{
    width: 360px;
}
a.button.donate{
    width: 250px;
    background-color: #e9c247;
    color:#25406b;
}
footer {
    font-size: 1em;
    color: #fff;
    padding: 10px;
    text-align: center;
    position: absolute;
    bottom: 10px;
    width: 100%;
}
footer a {
    color: #ccc;
    text-decoration: none;
    font-weight: normal;
}
footer a:hover {
    color: #fff;
}