/* Small gap */
.spacer-sm {
    display: block;
    height: 15px;
}

/* Medium gap */
.spacer-md {
    display: block;
    height: 30px;
}

/* Large gap */
.spacer-lg {
    display: block;
    height: 60px;
}

/* Extra large gap */
.spacer-xl {
    display: block;
    height: 100px;
}