<div class="container">
  <div class="box">
    <span>所谓的自由,实际上在于你能意识到什么,而不在于你享有什么。对于一个文化水平不高的农民来说,尽管每年的农务受到二十四节气的限制,但他不会感觉到有什么不自由。农闲的时候和亲朋打打牌,农忙的时候忙完一天的农活儿,晚上回家喝点儿小酒,感觉惬意且满足,仿佛自己所做的都是自己想做的。可是文化水平越高,思维和意识越复杂,人就越难在工作中感觉到自由。</span>
    <span class="transparent_gradient"></span>
  </div>
</div>
body {
  margin: 0;
  height: 100vh;
}

.container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.box {
  font-size: 20px;
  position: relative;
  font-family: sans-serif;
  font-weight: bold;
  width: 50%;
  color: gainsboro;
  background: black;
  padding: 20px;
  border-radius: 20px;
}

.transparent_gradient {
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 15.0208333333vw;
  border-radius: 20px;
  background: linear-gradient(180deg, transparent 0, black 100%);
}

@media screen and (max-width: 680px) {
  .box {
    font-size: 12px;
  }
}

External CSS

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External JavaScript

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