.left-auto {
  margin-left: auto;
}

.right-auto {
  margin-right: auto;
}

.margin-center {
  margin-left: auto;
  margin-right: auto;
}

.mr-1 {
  margin-right: 8px;
}

.mt-2 {
  margin-top: 16px;
  display: inline-block;
}

.mb-1 {
  margin-bottom: 8px;
}

.my-1 {
  margin-top: 8px;
  margin-bottom: 8px;
}