.books-illustration {
  margin-bottom: 25px;
  width: 700px;
  max-width: 100%;
}

.technologies {
  display: inline-block;
  margin: -10px -5px 15px;
}

.technologies-list {
  position: relative;
  display: inline-block;
  margin-right: 20px;
  margin-bottom: 10px;
}

.technologies-list:last-child {
  margin-right: 0;
}

.technology {
  display: inline-block;
  margin: 0 5px;
  height: 50px;
  line-height: 50px;
  vertical-align: bottom;
}

.technology.technology img {
  margin-top: 0;
  max-width: 50px;
  max-height: 100%;
  vertical-align: middle;
}

img[src$=".svg"] {
  width: 50px;
}

.technologies-list.is__not {
  opacity: .15;
  filter: grayscale(100%);
}