/* animation */
@-webkit-keyframes start-flicker {
  0% {background-color: rgba(0, 135, 245, 0.9);}
  50% {background-color: rgba(0, 135, 245, 0.6);}
  100% {background-color: rgba(0, 135, 245, 0.9);}
}
@keyframes start-flicker {
  0% {background-color: rgba(0, 135, 245, 0.9);}
  50% {background-color: rgba(0, 135, 245, 0.6);}
  100% {background-color: rgba(0, 135, 245, 0.9);}
}
@-webkit-keyframes fade-in {
  0% {opacity: 0;}
  100% {opacity: 1;}
}
@keyframes fade-in {
  0% {opacity: 0;}
  100% {opacity: 1;}
}
@-webkit-keyframes fade-out {
  0% {opacity: 1;}
  100% {opacity: 0;}
}
@keyframes fade-out {
  0% {opacity: 1;}
  100% {opacity: 0;}
}
@-webkit-keyframes going-up {
  0% {transform: translateY(0);}
  100% {transform: translateY(-10px);}
}
@keyframes going-up {
  0% {transform: translateY(0);}
  100% {transform: translateY(-10px);}
}
@-webkit-keyframes going-down {
  0% {transform: translateY(0);}
  100% {transform: translateY(10px);}
}
@keyframes going-down {
  0% {transform: translateY(0);}
  100% {transform: translateY(10px);}
}
@-webkit-keyframes going-left {
  0% {transform: translateX(0);}
  100% {transform: translateX(-10px);}
}
@keyframes going-left {
  0% {transform: translateX(0);}
  100% {transform: translateX(-10px);}
}
@-webkit-keyframes working {
  0% {width: 0%;}
  50% {width: 40%;}
  100% {width: 100%;}
}
@keyframes working {
  0% {width: 0%;}
  50% {width: 40%;}
  100% {width: 100%;}
}

/* animation class */
.fade-out-5-4 {
  animation: fade-out 0.5s 0.4s;
}