.border-0 {
  border-width: 0;
}

.border-1 {
  border: 1px solid rgba(0, 0, 0, 0.12);
}

.border-1-t {
  border-top: 1px solid rgba(0, 0, 0, 0.12);
}

.border-1-b {
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
}

.border-1-r {
  border-right: 1px solid rgba(0, 0, 0, 0.12);
}

.border-1-l {
  border-left: 1px solid rgba(0, 0, 0, 0.12);
}

.border-1-v {
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  border-top: 1px solid rgba(0, 0, 0, 0.12);
}

.border-1-h {
  border-right: 1px solid rgba(0, 0, 0, 0.12);
  border-left: 1px solid rgba(0, 0, 0, 0.12);
}