#dirdiv {
  display: block;
  text-align: center;
  width: 75%;
  margin: 0 auto;
}

@media screen and (max-device-width: 800px) {
  #selectsource {
    width: 90%;
  }
}

.bloglink, .microlink {
  margin: 0 10px 15px;
  font-weight: bold;
}

span.listspan {
  display: block;
  text-align: center !important;
}  
  
/* .secondtab {
  display: block;
  width: 50%;
  float: right;
  text-align: right;
}

.bloglink:focus ~ .firsttab {
  display: block;
}

.microlink:focus ~ .firsttab {
  display: none;
  overflow: none;
}

.bloglink:focus ~ .secondtab {
  display: none;
  overflow: none;
}

.microlink:focus ~ .secondtab {
  display: block;
}
*/