使用CSS创建带文本的圆形、箭头和线条

<div class="circle">文本</div>

.circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: #f00;
  color: #fff;
  text-align: center;
  line-height: 100px;
}

<div class="arrow">文本</div>

.arrow {
  position: relative;
  width: 100px;
  height: 100px;
  background-color: #f00;
  color: #fff;
  text-align: center;
  line-height: 100px;
}

.arrow:before,
.arrow:after {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
}

.arrow:before {
  border-width: 10px;
  border-color: transparent transparent transparent #f00;
  top: 50%;
  left: -20px;
  transform: translateY(-50%);
}

.arrow:after {
  border-width: 10px;
  border-color: transparent #f00 transparent transparent;
  top: 50%;
  right: -20px;
  transform: translateY(-50%);
}

<div class="line">文本</div>

.line {
  position: relative;
  width: 100px;
  height: 2px;
  background-color: #f00;
  color: #fff;
  text-align: center;
  line-height: 2px;
}

.line:before {
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: #f00;
  top: 50%;
  transform: translateY(-50%);
}