Borders

<div id="first">
  Orange border
</div>
<div id="second">
  Double, light grey border
</div>
<div id="third">
  Green border, same as the color property value.
</div>
<div id="fourth">
   Groove border with default color
</div>

div {
  padding: 10px;
  margin: 10px;
}

#first {
  border-style: solid;
  border-color: orange;
}

#second {
  border-style: double;
  border-color: #cccccc;
}

#third {
  border-style: solid;
  color: green;
  /* Border color not specified */
}

#fourth {
  border-style: groove;
  color: green;
  /* Border color not specified */
}