<h1 class="cp_h1title">見出しテキスト</h1>

.cp_h1title {
  background-color: rgba(255, 255, 255, 0);
  border-left: 2px dotted rgba(0,0,0,0.1);
  border-right: 2px dotted rgba(0,0,0,0.1);
  box-shadow: 0 0 4px rgba(0,0,0,0.2);
}