.mce-content-body .text-center {
    text-align: center;
}
.mce-content-body .text-right {
    text-align: right;
}
.mce-content-body .text-justify {
    text-align: justify;
}
.mce-content-body img.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
}
.mce-content-body img.right {
    float: right;
    margin: 0 0 .5em 1em;
}
.mce-content-body img.left {
    float: left;
    margin: 0 1em .5em 0;
}
.mce-content-body img.rightAlone {
    text-align: right;
}
.mce-content-body img.leftAlone {
    text-align: left;
}