.top{
  width: 40%;
  margin: 0 auto;
  padding-top: 20%;
}
h1{
  text-align:center;
}
p{
  margin :40px auto;
  letter-spacing :.1em;
  line-height :1.8em;
}
@media screen and (max-width: 767px){
  .top{
    width: 85%;
  }
}