h1 {
  color: #fff;
  font-size: 24px;
  position: relative;
  margin-left: -14px;
  padding: 8px 16px;
  background: #61f;
}
h1:before {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 0;
  border: 8px solid #fff;
  border-top: 8px solid rgba(0, 0, 0, 0.5);
  border-left: 8px solid rgba(0, 0, 0, 0.5);
}

h2 {
  color: #364e96;/*文字色*/
  font-size: 20px;
  border: solid 3px #364e96;/*線色*/
  padding: 0.5em;/*文字周りの余白*/
  border-radius: 0.5em;/*角丸*/
}

h3 {
  padding: 0.25em 0.5em;/*上下 左右の余白*/
  font-size: 15px;
  color: #494949;/*文字色*/
  background: transparent;/*背景透明に*/
  border-left: solid 5px #7db4e6;/*左線*/
}

body {
  background: #1b6a78;
}

div {
  width: 80%;
  margin: 0 auto;
  padding: 14px;
  background: #fff;
}
View SCSS Code


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