body {
  padding-top: 70px;
  padding-bottom: 30px;
}

.theme-dropdown .dropdown-menu {
  position: static;
  display: block;
  margin-bottom: 20px;
}

.theme-showcase > p > .btn {
  margin: 5px 0;
}

.theme-showcase .navbar .container {
  width: auto;
}

@keyframes heartbeat {
  0% {
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  14% {
    -moz-transform: scale(1.2);
    -ms-transform: scale(1.2);
    -webkit-transform: scale(1.2);
    transform: scale(1.2);
  }
  28% {
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  42% {
    -moz-transform: scale(1.2);
    -ms-transform: scale(1.2);
    -webkit-transform: scale(1.2);
    transform: scale(1.2);
  }
  70% {
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

/* :not(:required) hides this rule from IE9 and below */
.heartbeat:not(:required) {
  -webkit-animation: heartbeat 2300ms ease 0s infinite normal;
  -khtml-animation: heartbeat 2300ms ease 0s infinite normal;
  -moz-animation: heartbeat 2300ms ease 0s infinite normal;
  -ms-animation: heartbeat 2300ms ease 0s infinite normal;
  -o-animation: heartbeat 2300ms ease 0s infinite normal;
  animation: heartbeat 2300ms ease 0s infinite normal;

}