flex size of content flex 1 and 2 code example

Example 1: flex parameters

flex: none | [ <'flex-grow'> <'flex-shrink'>? || <'flex-basis'> ]

Example 2: flexbox css

.container {
  align-content: flex-start | flex-end | center | space-between | space-around | space-evenly | stretch | start | end | baseline | first baseline | last baseline + ... safe | unsafe;
}

Example 3: css flex

.container {
  display: flex; /* or inline-flex */
}