■

/* 見出しのデザイン */
.entry-content h3{
padding: 15px;
border: 1px solid black;
position: relative;
border-radius: 3px;
color: #9F6F55; /* 文字色 */
}
.entry-content h3:before{
content: "";
border: 2px dashed black;
position: absolute;
top: 3px;
right: 3px;
bottom: 3px;
left: 3px;
border-radius: 3px;
}