.medium-inline-img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 60%;
    padding-bottom: 1em;
}
.inline-img-w-30 {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 30%;
    padding-bottom: 1em;
}
.inline-img-w-80 {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 80%;
    padding-bottom: 1em;
}
.inline-img-w-50 {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
    padding-bottom: 1em;
}