@-webkit-keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
@keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
.fade-in{
    -webkit-animation-name: fade-in;
    animation-name: fade-in;
}

@-webkit-keyframes fade-out {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}
@keyframes fade-out {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}
.fade-out{
    -webkit-animation-name: fade-out;
    animation-name: fade-out;
}