.cert_img {
    display: flex;

}

html, body {
    min-height: 100vh;
}

body {
    display: flex;
    flex-direction: column;
}

.content {
    flex-grow: 1;
}

h2 {
    width: auto;
    height:auto;
    font-weight: bold;
    font-size: 20px;
    font-family: "MavenPro", sans-serif;
    left: 0;
    top: 0;
    padding: 0 0 5px 0;
    position:relative;
    border-bottom:2px #FFB800 solid;
    display: inline-block;
    margin-bottom: 0;
}

.cert_img {
    margin: 0 0 27px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

.cert_img > img {
    height: 400px;
    margin-right: 27px;
    border: 1px solid rgba(128, 128, 128, 0.125);
    cursor: pointer;
    transition: box-shadow 500ms;
}

.cert_img > img:focus,
.cert_img > img:hover {
    box-shadow: 0 0 15px rgba(128, 128, 128, 0.25);
}

#cert-popup > .popup {
    padding-bottom: 60px;
    position: relative;
}

#cert-popup > .popup > p {
    overflow: auto;
    max-height: 80vh;
    width: 80vw;
    border: 1px solid rgba(128, 128, 128, 0.125);
}

#cert-popup > .popup > button {
    position: absolute;
    bottom: 27px;

}

#cert-popup > .popup > p > img {
    width: 100%;
}