.display-show{display:block;}
.display-hide{display:none;}

.alert {
  padding: 15px;
  margin-bottom: 20px;
  border: 1px solid transparent;
  border-radius: 4px;
}
.alert-danger {
  color: #a94442;
  background-color: #f2dede;
  border-color: #ebccd1;
}

.close {
  float: right;
  font-size: 12px;
  font-weight: bold;
  line-height: 1;
  color: #ff0000;
  text-shadow: 0 1px 0 #fff;
  filter: alpha(opacity=80);
  opacity: .8;
}
.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
  cursor: pointer;
  filter: alpha(opacity=50);
  opacity: .5;
}
button.close {
  -webkit-appearance: none;
  padding: 0;
  cursor: pointer;
  background: transparent;
  border: 0;
}