#canvasElement{
    position: fixed;
    top: 0; left: 0;
    width: 100%; 
    height: auto;
 
    /* background: radial-gradient( rgb(151, 151, 151),rgb(255, 255, 255));  */
 }
 
 canvas{
   position:absolute;
   left:0;
   top:0;
   z-index:-1;
   
 }
 #content{

   text-align: center;

 }
 
 img {

      max-width: 100%;
    max-height: 100%;
 }

 h1,h2,h3,h4,h5,h6,.h1,.h2,.h3,.h4,.h5,.h6, p{
  font-family: 'Segoe UI','Open Sans',sans-serif;
  color: #333;
  vertical-align: auto;
}

a {
  color: #333;
}