style.css

body {
  font-size: 1.6rem;
  text-align: justify;
}

.title {
  color: firebrick;
}

h1,h2,h3,h4,h5 {
  text-align: left;
}

.figure-box {
  background-color: #dbf0f6;
  border-radius: 5px;
  padding: 20px;
  margin-bottom: 10px;
}

.table-box {
  background-color: #ffffe0;
  border-radius: 5px;
  padding: 20px;
  margin-bottom: 10px;
}

.caution, .important, .note, .tip, .warning {
  padding: 1em 1em 1em 4em;
  margin-bottom: 10px;
  background: #f5f5f5 5px center/3em no-repeat;
}

.caution {
  background-image: url("img/caution.png");
}

.important {
  background-image: url("img/important.png");
}

.note {
  background-image: url("img/note.png");
}

.tip {
  background-image: url("img/tip.png");
}

.warning {
  background-image: url("img/warning.png");
}