body{
    background-color:lightgray;
}

.Style1, .Style2, .Style3{
  margin-left: auto;
  margin-right: auto;
  border-bottom: dotted lightgray 2px;
}

#d{
    display: block;
    width:80%;
    margin-left: auto;
    margin-right: auto;
    border-bottom: dotted lightgray 2px;
}

#p{
    margin-top: 5rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

h1{
    align-items: center;
}