em {
    font-weight: bolder;
}

.content {
    padding: 7%
}

.group {
    margin: 8%;
}

footer.linkback { 
    font-size: 0.25em;
    color: black;
    text-align: left;
}

.before-you-leave {
    text-align: center;
    font-family: sans-serif;
    font-size-adjust: 0.75;
}

.fade-in-text {
    visibility: hidden;
    margin-top: 50px;
    font-family: Arial;
    font-size: 2em;
    animation: fadeIn 8s;
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

div.slide-up {
    height: 150px;
    overflow: hidden;
    -webkit-transition: opacity 2.0s ease-in;
    -moz-transition: opacity 2.0s ease-in;
    -o-transition: opacity 2.0s ease-in;
    opacity: 1;
}

div.slide-up p {
    animation: 3s slide-up;
    margin-top: 0%;
}

@keyframes slide-up {
    from {
        margin-top: 100%;
        height: 300%;
    }
    to {
        margin-top: 0%;
        height: 100%;
    }
}