img.standalone {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

img.floatLeft { 
    float: left; 
    margin: 10px; 
}
img.floatRight { 
    float: right; 
    margin: 10px; 
}

table.image{
    border-width: 0;
    margin-left: auto;
    margin-right: auto;    
}