.sd-card {
    margin-bottom: 20px;
}

.sd-card-img-top {
    height: auto !important;
    width: 25% !important;
}

.sd-card-header {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

img.sd-card-img-top {
    display: block;
    margin-left: auto;
    margin-right: auto;
    padding: 10px;
}

.iframe-container {
    border: 1px solid black;
}