<div class="msr_box03">
  <a href="#">
    <h3 class="ttl">box</h3>
    <img src="/stylerecipe_img/dummy_img03.png" width="230" height="110" alt="img"/>
    <p>テキストテキストテキストテキストテキストテキストテキストテキスト</p>
  </a>
</div>

.msr_box03 {
  background-color: #1B73BA;
  width: 230px;
}
.msr_box03 a{
  box-sizing: border-box;
  box-shadow: 0px 2px 2px rgba(0,0,0,0.2);
  -moz-box-shadow: 0px 2px 2px rgba(0,0,0,0.2);
  -webkit-box-shadow: 0px 2px 2px rgba(0,0,0,0.2);
  color: #000000;
  display:block;
  position: relative;
  transition: 0.2s ease-in-out;
  -o-transition: 0.2s ease-in-out;
  -moz-transition: 0.2s ease-in-out;
  -webkit-transition: 0.2s ease-in-out;
}
.msr_box03 img {
  box-shadow: 0px 2px 2px rgba(0,0,0,0.2);
  -moz-box-shadow: 0px 2px 2px rgba(0,0,0,0.2);
  -webkit-box-shadow: 0px 2px 2px rgba(0,0,0,0.2);
  display: block;
}
.msr_box03 p {
  background-color: #FFFFFF;
  font-size: 13px;
  line-height: 1.6;
  padding: 8px;
}
.msr_box03 .ttl {
  background-color: #1B73BA;
  box-shadow: 0px 2px 2px rgba(0,0,0,0.2);
  -moz-box-shadow: 0px 2px 2px rgba(0,0,0,0.2);
  -webkit-box-shadow: 0px 2px 2px rgba(0,0,0,0.2);
  color: #FFFFFF;
  font-size: 16px;
  line-height: 1.6;
  padding: 8px;
  position: relative;
}

/* 青の三角形 */
.msr_box03 .ttl:before {
  border: 7px solid transparent;
  border-top: 7px solid #1B73BA;
  box-sizing: border-box;
  content: "";
  height: 7px;
  left: 50%;
  margin:0 0 0 -7px;
  position: absolute;
  top: 100%;
  width: 14px;
}
.msr_box03 a:hover{
  opacity: 0.8;
}