<h2>見出しのデザイン</h2>
h2 {
  padding: .5em .75em;
  background: -webkit-linear-gradient(top, #69b4e6 0%, #3498db 100%);
  background: linear-gradient(to bottom, #69b4e6 0%, #3498db 100%);
  color: #fff;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, .3);
}

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