body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: rgb(238, 228, 255);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.image0 {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 75%;
  height: 75%;
}

hr {
  width: 100%;
  margin-left: 0;
  margin-right: 0;
}

h1 {
  text-align: center;
  color: rgb(21, 20, 21);
}

h2 {
  text-align: center;
}

.pClass {
  text-align: center;
  color: rgb(21, 20, 21);
  width: 80%;
}

.topnav {
  background-color: rgb(160, 140, 233);
  overflow: auto;
  width: 100%;
}

.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #3904aa;
  color: white;
}

.image1 {
  cursor: pointer;
  margin-left: auto;
  margin-right: auto;
  height: 15%;
  width: 15%;
}
.image2 {
  cursor: pointer;
  margin-left: auto;
  margin-right: auto;
  height: 14%;
  width: 14%;
}
.image3 {
  cursor: pointer;
  margin-left: auto;
  margin-right: auto;
  height: 14%;
  width: 14%;
}
.image4 {
  cursor: pointer;
  margin-left: auto;
  margin-right: auto;
  height: 18%;
  width: 17%;
}
.image5 {
  cursor: pointer;
  margin-left: auto;
  margin-right: auto;
  height: 17%;
  width: 17%;
}
.image6 {
  cursor: pointer;
  height: 14%;
  width: 14%;
}
.aClass,
p {
  color: rgb(21, 20, 21);
  font-size: 1.5rem;
}

#scrollToTop {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 99;
  border: none;
  outline: none;
  background-color: white;
  color: black;
  cursor: pointer;
  border-radius: 25%;
  padding: 15px;
  font-size: 15px;
}

#back-btn {
  background-color: rgb(160, 140, 233);
  border: 2px solid white;
  border-radius: 4px;
  color: white;
  text-decoration: none;
  font-size: 1.5rem;
  display: block;
  margin: 10px auto;
  width: 20%;
  height: 30px;
  text-align: center;
  padding: 20px;
}