.main-heading-title{
text-shadow: -1px 0px 30px rgba(255, 255, 255, 1);
-webkit-animation: pulse 1s infinite;
-moz-animation: pulse .6s infinite;
-ms-animation: pulse .6s infinite;
-o-animation: pulse .6s infinite;
animation: pulse 2s infinite;
}

@-webkit-keyframes pulse {
    0% { text-shadow: -1px 0px 30px rgba(255, 255, 255, 1); }
    50% { text-shadow: -1px 0px 30px rgba(255, 255, 255, 0);  }
    100% { text-shadow: -1px 0px 30px rgba(255, 255, 255, 1); }
}
@-moz-keyframes pulse {
    0% { text-shadow: -1px 0px 30px rgba(255, 255, 255, 1);}
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}
@-ms-keyframes pulse {
    0% { text-shadow: -1px 0px 30px rgba(255, 255, 255, 1); }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}
@-o-keyframes pulse {
    0% { text-shadow: -1px 0px 30px rgba(255, 255, 255, 1); }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}
@keyframes pulse {
  0% { text-shadow: -1px 0px 30px rgba(0, 0, 0, 1); }
  60% { text-shadow: -1px 0px 30px rgba(0, 0, 0, 0);  }
  100% { text-shadow: -1px 0px 30px rgba(0, 0, 0, 1); }
}