/* Element selector */
body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f9fafc;
  color: #222;
  margin: 40px;
  line-height: 1.6;
}

/* ID selector */
#mainTitle {
  color: #8b0000;
  text-align: center;
  font-size: 2.2em;
  margin-bottom: 20px;
}

/* Class selector */
.intro {
  font-size: 1.1em;
  text-align: center;
  color: #333;
  margin-bottom: 30px;
}

/* Style the unordered list (properties of RBT) */
ul.properties {
  background-color: #ffe4e1;
  padding: 15px 25px;
  border-radius: 8px;
  width: 70%;
  margin: 0 auto 30px;
  box-shadow: 0px 2px 6px rgba(0,0,0,0.1);
}

/* Ordered list for benefits */
ol.benefits {
  background-color: #f0f8ff;
  padding: 15px 25px;
  border-radius: 8px;
  width: 70%;
  margin: 0 auto 30px;
}

/* ID selector */
#rbtImage {
  display: block;
  margin: 20px auto;
  border: 3px solid #8b0000;
  border-radius: 10px;
  padding: 5px;
}

/* Link styling */
a.wikiLink {
  color: #0044cc;
  font-weight: bold;
  text-decoration: none;
}

/* ID selector for the note paragraph */
#note {
  font-style: italic;
  color: #555;
  text-align: center;
  margin-top: 40px;
}