@keyframes fadeOutUp {
   0% {
      opacity: 1;
      transform: translateY(0);
   }
   100% {
      opacity: 0;
      transform: translateY(-20px);
   }
}
@keyframes fadeInDown {
   0% {
      opacity: 0;
      transform: translateY(-20px);
   }
   100% {
      opacity: 1;
      transform: translateY(0);
   }
}

.fade.ng-enter, .fade.ng-hide-remove {
  animation: fadeIn 1s;
}

.fade.ng-leave {
  animation: fadeOut 1s;
}

.fade.ng-hide-add {
  animation: fadeOut 1s;
  display: block !important;
}

.fade-top.ng-enter, .fade-top.ng-hide-remove {
  animation: fadeInDown 1s;
}

.fade-top.ng-leave {
  animation: fadeOutUp 1s;
}

.fade-top.ng-hide-add {
  animation: fadeOutUp 1s;
  display: block !important;
}

.alert-box {
  /* fixed position a zero-height full width alert-box */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  /* center all inline content */
  text-align: center;
  z-index: 1000;
  top:20%;
  animation-name: example;
  animation-duration: 4s;
}

.alert-box > div {
  /* make the block inline */
  display: inline-block;
  /* reset container's center alignment */
  text-align: left;
}

.alert {
  padding: 15px;
  margin-bottom: 20px;
  border: 1px solid transparent;
  border-radius: 4px;
}
.alert h4 {
  margin-top: 0;
  color: inherit;
}
.alert .alert-link {
  font-weight: bold;
}
.alert > p,
.alert > ul {
  margin-bottom: 0;
}
.alert > p + p {
  margin-top: 5px;
}
.alert-dismissable,
.alert-dismissible {
  padding-right: 35px;
}
.alert-dismissable .close,
.alert-dismissible .close {
  position: relative;
  top: -2px;
  right: -21px;
  color: inherit;
}
.alert-success {
  color: #3c763d;
  background-color: #dff0d8;
  border-color: #d6e9c6;
}
.alert-success hr {
  border-top-color: #c9e2b3;
}
.alert-success .alert-link {
  color: #2b542c;
}
.alert-info {
  color: #31708f;
  background-color: #d9edf7;
  border-color: #bce8f1;
}
.alert-info hr {
  border-top-color: #a6e1ec;
}
.alert-info .alert-link {
  color: #245269;
}
.alert-warning {
  color: #8a6d3b;
  background-color: #fcf8e3;
  border-color: #faebcc;
}
.alert-warning hr {
  border-top-color: #f7e1b5;
}
.alert-warning .alert-link {
  color: #66512c;
}
.alert-danger {
  color: #a94442;
  background-color: #f2dede;
  border-color: #ebccd1;
}
.alert-danger hr {
  border-top-color: #e4b9c0;
}
.alert-danger .alert-link {
  color: #843534;
}