.fadein, .slidein_left, .slidein_right, .slidein_bottom{
  opacity: 0;
}
.fadein.is-animated {
  animation: fadeIn 2s cubic-bezier(0.33, 1, 0.68, 1) 1 forwards;
}
@keyframes fadeIn {
  0% {opacity: 0;}
  100% {opacity: 1;}
}
.slidein_right.is-animated {
  animation: slideIn 2s cubic-bezier(0.25, 1, 0.5, 1) 1 forwards;
}
@keyframes slideIn {
  0% {transform: translateX(180px); opacity: 0;}
  100% {transform: translateX(0);}
  40%,100% {opacity: 1;}
}
.slidein_left.is-animated {
  animation: slideIn2 2s cubic-bezier(0.25, 1, 0.5, 1) 1 forwards;
}
@keyframes slideIn2 {
  0% {transform: translateX(-180px); opacity: 0;}
  100% {transform: translateX(0);}
  40%,100% {opacity: 1;}
}
.slidein_bottom.is-animated {
  animation: slideIn3 2s cubic-bezier(0.25, 1, 0.5, 1) 1 forwards;
}
@keyframes slideIn3 {
  0% {transform: translateY(180px); opacity: 0;}
  100% {transform: translateX(0);}
  40%,100% {opacity: 1;}
}

.kiran {
  height: 100%;
  width: 6%;
  position: absolute;
  top: -180px;
  left: 0;
  background-color: #fff;
  opacity: 0;
  transform: rotate(45deg);
  animation: kiran 2s ease-in-out infinite;
  -webkit-transform: rotate(45deg);
  -webkit-animation: kiran 2s ease-in-out infinite;
}

@keyframes kiran {
  0% { -webkit-transform: scale(0) rotate(45deg); opacity: 0;}
  80% { -webkit-transform: scale(0) rotate(45deg); opacity: 0.5;}
  81% { -webkit-transform: scale(4) rotate(45deg); opacity: 1;}
  100% { -webkit-transform: scale(50) rotate(45deg); opacity: 0;}
}
@-webkit-keyframes kiran {
  0% { -webkit-transform: scale(0) rotate(45deg); opacity: 0;}
  80% { -webkit-transform: scale(0) rotate(45deg); opacity: 0.5;}
  81% { -webkit-transform: scale(4) rotate(45deg); opacity: 1;}
  100% { -webkit-transform: scale(50) rotate(45deg); opacity: 0;}
}