.flexbox-row {
  display: flex;
  flex-direction: row; /* default value */
  justify-content: center; /* x-axis */
  align-items: center; /* y-axis */
}

.flexbox-col {
  display: flex;
  flex-direction: column;
  justify-content: center; /* y-axis */
  align-items: center; /* x-axis */
}

.grid {
  display: grid;
  place-items: center;
}

.margins {
  display: flex; /* or grid */
}

.margins p {
  margin: auto;  
}

p {
  text-align: center;
}

p {
  padding: 80px 0;
}

p {
  text-align: center;
  padding: 16px 0;
}

.box {
  position: relative;
}

.box p {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.table {
  display: table;
}

.table p {
  display: table-cell;
  text-align: center; /* x-axis */
  vertical-align: middle; /* y-axis */
}