Retrospring/app/assets/stylesheets/scss/navbar.scss

.navbar .nav .badge {
  padding: 3px 6px 3px;
  background-color: $navbar-inverse-link-active-bg;
}

.navbar .nav .active .badge {
  padding: 3px 6px 3px;
  background-color: $navbar-inverse-bg;
}

.navbar--inbox-animation {
  animation: animationFrames ease-in-out 1.5s;
  animation-iteration-count: infinite;
  -webkit-animation: animationFrames ease-in-out 1.5s;
  -webkit-animation-iteration-count: infinite;
  -moz-animation: animationFrames ease-in-out 1.5s;
  -moz-animation-iteration-count: infinite;
  -o-animation: animationFrames ease-in-out 1.5s;
  -o-animation-iteration-count: infinite;
  -ms-animation: animationFrames ease-in-out 1.5s;
  -ms-animation-iteration-count: infinite;
}

@keyframes animationFrames{
  0% {
    background-color: #fff;
  }
  100% {
    background-color: $navbar-inverse-toggle-border-color;
  }
}

@-moz-keyframes animationFrames{
  0% {
    background-color: #fff;
  }
  100% {
    background-color: $navbar-inverse-toggle-border-color;
  }
}

@-webkit-keyframes animationFrames {
  0% {
    background-color: #fff;
  }
  100% {
    background-color: $navbar-inverse-toggle-border-color;
  }
}

@-o-keyframes animationFrames {
  0% {
    background-color: #fff;
  }
  100% {
    background-color: $navbar-inverse-toggle-border-color;
  }
}

@-ms-keyframes animationFrames {
  0% {
    background-color: #fff;
  }
  100% {
    background-color: $navbar-inverse-toggle-border-color;
  }
}