img.alignright { float: right; margin: 0 0 1em 1em; }
img.alignleft { float: left; margin: 0 1em 1em 0; }
img.aligncenter { display: block; margin-left: auto; margin-right: auto; }
.alignright { float: right; }
.alignleft { float: left; }
.aligncenter { display: block; margin-left: auto; margin-right: auto; }

@media only screen and (max-width : 600px) {
    img.alignright, img.alignleft { float: none; margin: 10px auto; display: block; }
}