Display the flex lines at the start of the container with CSS

Use the align-content property with value flex-start to set the flex lines in the beginning.


You can try to run the following code to implement the flex-start value:

Live Demo

<!DOCTYPE html>
         .mycontainer {
            display: flex;
            height: 300px;
            background-color: blue;
            align-content: flex-start;
            flex-wrap: wrap;
         .mycontainer > div {
            background-color: orange;
            text-align: center;
            line-height: 60px;
            font-size: 30px;
            width: 100px;
            margin: 5px;
      <div class = "mycontainer">