Stats Preview Card Component ( Flexbox + Mobile-first)

Replace<div class="container">with the main tag and <h5> with <p> to fix the accessibility issues. click here for more on web-accessibility and semantic html

To center .content on the page using flexbox, replace the height in .container with min-height:100vh.

For the th color of the image there is no need to give .img a background size and a background position and a background-repeat, this will apply if .img has a background image. And add mix-blend-mode: multiply and opacity 0;8 to the img.

.img{
background-color: hsl();
}
img{
width: 100%;
height: 100%;
object-fit: cover;
mix-blend-mode: multiply;
opacity: 0.8;
}

Use relative units like rem or em as unit for the padding, margin, width values and preferably rem for the font-size values, instead of using px which is an absolute unit. For more on CSS units Click here Hope am helpful.

Well done for completing this challenge. HAPPY CODING