.block-header {
  background-color: #7665a0;
  color: white;
  height: 60px;
  padding-top: 10px;
  padding-left: 15px;
  margin-top: 10px;
  margin-bottom: 20px;
}

.tool-thumbnail {
  float: left;
  width: 40%;
  margin-right: 20px;
  margin-bottom: 20px;
}

.thumbnail-title {
  font-family: "Gotham 7r", sans-serif;
}

.tool-links {
  margin-left: 45%;
}

.standalone-tool {
  margin-left: 45%;
  margin-top: 20px;
}

.back-to-top {
  text-align: right;
  margin-right: 20px;
  margin-top: 50px;
}

.animated-gif {
  width: 100%;
  margin-top: 10px;
}

@media screen and (min-width: 501px) and (max-width: 970px) {
  .block-header {
    height: 50px;
    margin-left: 10px;
  }

  h2 {
    margin-left: 10px;
  }

  .tool-thumbnail {
    width: 50%;
    margin-left: 10px;
  }

  .tool-desc {
    margin-left: 10px;
  }

  .standalone-tool {
    margin-left: 40px;
  }

  .tool-links {
    margin-left: 40px;
  }

}

@media screen and (min-width: 0px) and (max-width: 500px) {
  .block-header {
    height: 40px;
    margin-left: 10px;
  }

  h2 {
    margin-left: 10px;
  }

  .tool-thumbnail {
    width: 100%;
    margin-left: 10px;
  }

  .tool-desc {
    margin-left: 10px;
  }

  .standalone-tool {
    margin-left: 20px;
  }

  .tool-links {
    margin-left: 20px;
  }

}