h2#danraku2{position: relative;
    color: #ffffff;
    background: #000000;
    font-size: 16pt ;
    border: 3px solid #ff6347;
    margin: 10px 10px 23px 10px;
    padding: 10px 5px 10px 10px;
    border-radius: 3px;
    box-shadow:1px 3px 7px 0px  #666666 ;
}
.sample2:after, .sample2:before {
    content: "";
    position: absolute;
    top: 100%;
    height: 0;
    width: 0;
}
.sample2:after {
    left: 40px;
    border: 10px solid transparent;
    border-top: 10px solid #000000;
}
.sample2:before {
    left: 37px; 
    border: 13px solid transparent;
    border-top: 13px solid #ff6347;
}