li > h3 {
    margin-top: 20px;
}

img {
    transition: transform .8s;
}
img:hover {
    transform: scale(1.2);
}

a.active {
    color: #4CAF50!important;
}

.hero {
    transition: transform .8s;
}
.hero:hover {
    transform: scale(1.2);
}