.spacer-100 {
    position: relative;
    margin-bottom: 100px;
}

.spacer-500 {
    position: relative;
    margin-bottom: 500px;
}

.spacer-10 {
    position: relative;
    margin-bottom: 10px;
}
.spacer-20 {
    position: relative;
    margin-bottom: 20px;
}
.spacer-30 {
    position: relative;
    margin-bottom: 30px;
}