Next time try providing a codec / plunkr example, people are more inclined to help you if they have some sample code for the game.
You should read the angular material layout . Basically you don't have the <div layout="column" layout-fill>
container inside your md-grid-tile
. layout-fill
makes the container fill the entire tile.
Then you can adjust the size of your cards with fixed css sizes or roll them out. An example bends them horizontally, which may be undesirable.
codepen
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