.embed-responsive {
  position: relative;
  display: block;
  height: 0;
  padding: 0;
  overflow: hidden;
}
.embed-responsive .embed-responsive-item,
.embed-responsive iframe,
.embed-responsive embed,
.embed-responsive object,
.embed-responsive video {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.embed-responsive-16by9 {
  padding-bottom: 56.25%;
}
.embed-responsive-4by3 {
  padding-bottom: 75%;
}

.close {
  float: right;
  font-size: 21px;
  font-weight: bold;
  line-height: 1;
  color: #000;
  text-shadow: 0 1px 0 #fff;
  filter: alpha(opacity=20);
  opacity: .2;
}
.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;
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 0, 0, 0);
    border-radius: 4px;
}

.alert-success {
    color: #3c763d;
    background-color: #dff0d8;
    border-color: #d6e9c6;
}

.alert-warning {
    color: #8a6d3b;
    background-color: #fcf8e3;
    border-color: #faebcc;
}


@media all and (max-width: 48em) {
    .container.content {
        padding-top: 0 !important;
        padding-bottom: 0 !important;
    }
}