H2 {
  padding: 0.25em 0.5em;/*上下 左右の余白*/
  color: #494949;/*文字色*/
  background: transparent;/*背景透明に*/
  border-left: solid 15px #000000;/*左線*/
}

H3 {
	  /*線の種類（実線） 太さ 色*/
  border-bottom: solid 3px black;
}
H4 {
  color: #010079;
  text-shadow: 0 0 5px white;
  border-left: solid 7px #CB0000;
  background: -webkit-repeating-linear-gradient(-45deg, #cce7ff, #cce7ff 3px,#e9f4ff 3px, #e9f4ff 7px);
  background: repeating-linear-gradient(-45deg, white, white 3px,white 3px, white 7px);
}