.nav-container {
  position: fixed;
  top: 0;
  width: 100%;
}

.adblock-modal-text {
  font-size: 100%;
  width: 80%;
  text-align: center;
  padding-top: 25px;
  padding-bottom: 5.5%;
  margin: auto;
}
.post-nav-class {
  margin-top: 200px;
}
@media screen and (min-width: 380px) {
  .adblock-modal-text {
    padding-top: 1.5;
    padding-bottom: 1.5%;
    font-size: 120%;
  }
  .post-nav-class {
    margin-top: 220px;
  }
}

@media screen and (min-width: 480px) {
  .adblock-modal-text {
    font-size: 120%;
  }
  .post-nav-class {
    margin-top: 270px;
  }
}

@media screen and (min-width: 680px) {
  .adblock-modal-text {
    font-size: 120%;
  }
  .post-nav-class {
    margin-top: 135px;
  }
}

@media screen and (min-width: 880px) {
  .adblock-modal-text {
    width: 70%;
  }
  .post-nav-class {
    margin-top: 90px;
  }
}
