body{
background-color: aqua;
cursor: auto;
text-align: center;
display: block;
width: 82%;
height: 80%;
}
.button{
  padding-left : 300px;
  text-align: center;
  text-decoration: blue;
  display: inline-block;
  font-size: 16px;
  display: block;
}
.foot{
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color:gray;
    color: black;
    text-align: center;
}
.head{
    background-color: grey;
    padding: 10px;
    width: 1360px;
    text-align: center;
}
:hover{
  color:rgb(0, 17, 255);
}