.menu_blockchain {
height:18px; 
width:17px; 
max-width: 100%;
vertical-align: text-top;
}

.single-page-boilerplate.textSingleContent {display:none;}

div.scrollable {height: auto;
min-height: 0;}

@media screen and (max-width: 640px) {
  .biography-first-infos {
    width: 100%;
  }
  .biography-first-img {
  	display: block;
width: 100%;
height: 300px;
  }
}