ReadingPB.css

.example-post {
  position: relative;
  padding: 0;
  color: #0d0d0e;
  background-color: chartreuse;
  border-top: 1px dotted #aaa;
  border-bottom: 1px dotted #aaa;
}
.example-post p {
  font-size: 24px;
  line-height: 1.5;
}
.example-post a {
  color: #0b0d0e;
}
.example-post:before {
  content: "";
  display: block;
  background: linear-gradient(
    to right top,
    #590ce9 0%,
    #e61313 50%,
    #c5f80b 50%
  );
  height: calc(100% - 100vh + 6px);
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
.example-post:after {
  content: "";
  display: block;
  background: #e6f0f5;
  height: calc(100vh - 6px);
  width: 100%;
  position: -webkit-sticky;
  position: sticky;
  bottom: 0;
  left: 0;
}
.entry-content {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 20;
  margin-bottom: calc(-100vh + 6px);
  padding: 0 15px;
}

body {
  background-color: #fa7bc9;
  padding-top: 40px;
  padding-bottom: 100px;
  margin: 0px;
}

h1 {
  text-align: center;
  margin: 30px 15px;
  font-size: 40px;
}
.heading {
  max-width: 650px;
  margin: 50px auto 70px;
  font-size: 24px;
  padding-left: 15px;
  padding-right: 15px;
  text-align: center;
}
a.more-link {
  font-size: 18px;
  font-weight: 700;
  background-color: transparent;
  padding: 10px 5px 0;
  border-radius: 0;
  color: #416475;
  display: inline-block;
  margin-right: 5px;
  margin-bottom: 5px;
  line-height: 1.5;
  text-decoration: none;
  margin-top: 50px;
  letter-spacing: 1px;
  border-bottom: 6px solid #92a4ad;
}