/* FADE-IN ANIMATION */
@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}
 
@-moz-keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}
 
@-webkit-keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}
 
@-o-keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}
 
@-ms-keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

body {
    animation: fadeIn 1s;
    -webkit-animation: fadeIn 1s;
    -moz-animation: fadeIn 1s;
    -o-animation: fadeIn 1s;
    -ms-animation: fadeIn 1s;
}