img.spaced-image-15 {
    margin: 15px; /* Space around all sides */
    display: block;
}
img.spaced-image-20 {
    margin: 20px; /* Space around all sides */
    display: block;
}
img.float-left-15 {
    float: left;
    margin: 15px 15px 15px 0;
}
img.float-right-15 {
    float: right;
    margin: 15px 0 15px 15px;
}
img.dshadow {
    filter: drop-shadow(8px 8px 10px gray);
}