.button {
 display: block;
 width: 70%;
 margin: 15px auto 30px;
 font-size: 1.1em;
 padding: 15px;
 background: #ff6600;
 border-radius: 10px;
 color: #fff;
 text-decoration: none;
}
  
.chirashi_button {
 display: block;
 width: 70%;
 margin: 15px auto 30px;
 font-size: 1.1em;
 padding: 15px;
 background: #0075c1;
 border-radius: 10px;
 color: #fff;
 text-decoration: none;
}