about {
    display: none;
    padding: 25px;
    animation-name: fadeInOpacity;
    animation-duration: .15s;
    animation-timing-function: steps(cubic-bezier(0.19, 1, 0.22, 1));
}

about.active {
    display: block;
}

about .heading {
    text-align: center;
}

about .content {
    margin-top: 100px;
}

about .content a {
    color: darkred;
}

about .content a:hover {
    color: blue
}

about .birdCol img {
    width: 100%;
    max-width: 600px;
    margin-top: -100px;
}