body {
  background-color: #d9d9d9;
  }

#all {
  background-color: white;
  background-position: top-center;
  width: 800px;
  height: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-top: -2px;
  }

p {
  font-family: arial;
  color: #000000000;
  margin-left: 35px;
  margin-right: 35px;
  font-size:medium;
}
 
a {
  color: black;
  text-decoration: none;
} 

a:hover {
  color: #d9d9d9;
  }