.slideIn {
    -webkit-animation-name: slideIn;
    animation-name: slideIn;
    animation-duration: 0.5s;
    -webkit-animation-duration: 0.5s;
}

@keyframes slideIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }

    0% {
        opacity: 0;
    }
}

@-webkit-keyframes slideIn {
    0% {
        -webkit-opacity: 0;
    }

    100% {
        -webkit-opacity: 1;
    }

    0% {
        -webkit-opacity: 0;
    }
}