How to align content of a div to the bottom

Answer 1

You can simply achieved flex

header {
  border: 1px solid blue;
  height: 150px;
  display: flex;                   /* defines flexbox */
  flex-direction: column;          /* top to bottom */
  justify-content: space-between;  /* first item at start, last at end */
}
h1 {
  margin: 0;
}

  
Header title
  Some text aligns to the bottom