.entry-content h3 {
   color: #000000;
   background: #a5c2e6;
   padding: 15px 15px;
}}

.entry-content h4 {
   color: #000000;
   padding: 10px;
   border-left:20px solid #999999;
   border-bottom:3px solid #999999;
   }

.entry-content strong {
    background: linear-gradient(transparent 70%, #39BAE8 70%);
}

article u {
text-decoration: none;
background: linear-gradient(transparent 50%,yellow 80%);
}
/*  レスポンシブヘッダー調整　 */
@media (max-width: 480px){#blog-title-inner,#title a{
height:80px!important;
width:auto;
}
#blog-title-inner {background-size: contain!important; }
}
/* タイトル画像上下の余白を調整 */
#blog-title {
margin: 10px auto 5px auto;
padding: 0;
}


<div style="border:1px solid #930;padding:10px;border-radius:10px;">★</div>