h1{text-align:center;
  color:blue;
  font-size: 100px;
  background-color: yellowgreen
}

.g{margin-right: 50px;
  width:500px;
}
img{padding: 20px;}
footer{background-color: yellowgreen;
  padding: 40px;
}
nav{font-size: 40px;
  text-decoration: none;
  text-align:right;
  background-color: lightblue;
  padding: 30px;
}
a{text-decoration: none;}
header{font-size: 100px;
  text-align: center;
  color:red;
}