border-right

border-right: solid;

border-right: dashed red;

border-right: 1rem solid;

border-right: thick double #32a1ce;

border-right: 4mm ridge rgba(211, 220, 50, 0.6);

<section class="default-example" id="default-example">
  <div class="transition-all" id="example-element">
    This is a box with a border around it.
  </div>
</section>

#example-element {
  background-color: #eee;
  color: #8b008b;
  padding: 0.75em;
  width: 80%;
  height: 100px;
}

border-right-style: dotted;
border-right: thick green;

border-right-style: dotted;
border-right: none thick green;

border-right: 1px;
border-right: 2px dotted;
border-right: medium dashed green;

/* 全局值 */
border-right: inherit;
border-right: initial;
border-right: revert;
border-right: revert-layer;
border-right: unset;

<div>这个盒子在右侧有一个边框。</div>

div {
  border-right: 4px dashed blue;
  background-color: gold;
  height: 100px;
  width: 100px;
  font-weight: bold;
  text-align: center;
}