css流程样式

<div class="process">
  <div class="step">步骤 1</div>
  <div class="arrow"></div>
  <div class="step">步骤 2</div>
  <div class="arrow"></div>
  <div class="step">步骤 3</div>
</div>

.process {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.step {
  padding: 20px;
  background-color: #f0f0f0;
  border-radius: 5px;
  margin-bottom: 10px;
  position: relative;
}

.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 10px solid #333;
  width: 0;
  height: 0;
}

.step:last-child .arrow {
  display: none;
}