button{
    background-color: rgb(0,0,100);
    color: white;
    border-radius: 10px;
    font-size: 30px;
    font-weight: 800;
}
.a{
    width: 400px;
    text-align: right;
}
body{
    margin: 0px;
    background-image: url('../background.jpg');
}