style.css

caption {
  color: #777;
  margin-top: 20px;
}

body{
    text-align: justify;
}


p code {
  white-space: inherit;
}
pre {
  word-break: normal;
  word-wrap: normal;
}
pre code {
  white-space: inherit;
}

.references{
    text-indent: -1em;
    margin-left: 1em;
    text-align: left;
}

.tarefa, .dica, .vcsabia, .importante, .note{
  background: #f5f5f5 5px center/3em no-repeat;
  padding: 1em 1em 1em 4em;
  margin-bottom: 10px;
  border-style: solid;
  border-radius: 10px;
  border-width: 20px 10px 2px 5px;
}
.vcsabia {
  background-image: url("figures/curiosity.png");
  border-color: #db8121;
}

.dica {
  background-image: url("figures/tip.png");
  border-color: #2963cf;
}

.tarefa {
  background-image: url("figures/head.png");
  border-color: #A93226;
}

.note {
  background-image: url("figures/note.png");
  border-color: #3fd62b;
}

.importante {
  background-image: url("figures/important.png");
  border-color: #3fd62b;
}