h1{
  text-align: center;
}
p{
  text-align: left;
}
form{
  text-align: center;
}
input[type=radio] {
  display: none;
  user-select: none;
  text-align: center;
}
div{
  text-align: center;
}
.radio img{
  margin-left: 1px;
 border: 1px black solid;
  cursor: pointer;
  zoom:1.6;
}
input[type=radio]:checked + .radio img{
  border: 3px red solid;
  cursor: pointer;
}
button {
/*  display:block;*/
  width: 400px;
  height: 28;
  background-color: #deeefe;
  border: 2px solid #899acd;
  margin: 0 auto;
  text-align: center;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -khtml-user-select: none;
  -ms-user-select: none;
  outline : none;
}
button:active{
  background-color: #899acd;
}
body{
    /* display:block*/
 width: 900px;
 margin: 0 auto;
 padding: 10px;
}