body { 
   display: flex;
   justify-content: center;
   position: relative;
}

page {
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -25px 0 0 -25px; 
}


h2   {text-align: center;}


img {
 max-width: 100%;
  height: auto;
}
span { font-weight: 700; }
p { color: #000;  text-align: center; font-size: 16px}
 
.blue { background:#1565c0; padding: 1px ; }
footer {  margin-top: 20%  ;}
footer p { text-align:center; font-size:12px }