body {
  background-color: transparent;
}

/* unvisited link */
a:link {
  color: #531fff;
}

/* padding within span */
.add-padding {
  padding-left: 10px;
  padding-right: 10px;
}

div {
  position: relative;
}

/* center images horizontally if they are of different sizes */
.carousel-inner {
  text-align: center;
}

.carousel .item > img {
  display: inline-block;
}

.center {
  text-align: center;
}

pre, code {
  white-space: normal;
}