ASP.NET Core 3.1 dynamic image resizing

<div class="col-md-6">
    <div class="border">
        <img height="300" width="400" src="~/Images/vg.png" class="rounded"/>
        <p>This is a sample paragraph.</p>
    </div>
</div>

Is there a way to make this design responsive? I've noticed that without setting specific heights and widths, the content extends beyond the screen. But when I do set those dimensions, it loses its responsiveness. Any suggestions?

Answer №1

To ensure your image is responsive, you can utilize the img-fluid class from the bootstrap css framework. Simply eliminate the html attributes

height="300" width="400"
from your image markup. Your comprehensive inquiry indicates that this solution aligns with your desired UI outcome.

Your updated code snippet could resemble the following:

<div class="row">
    <div class="col-md-6">
        <div class="border">
            <!-- Remove fixed dimensions and add img-fluid class -->
            <img class="img-fluid rounded" src="~/foo/bar.png">
            <p>Lorem ipsum...</p>
        </div>
    </div>
</div>

Description: Bootstrap's .img-fluid ensures image responsiveness by applying

max-width: 100%; and height: auto;
to scale with the parent element.

Refer to the official bootstrap documentation for further details:

  • 4.6.x (currently used by ASP.NET Core 3.1)
  • 5.0.x (will be default soon)

PS: I recommend transferring all style declarations from inline-markup to your css file for improved coding practices. Bootstrap offers essential layout and design utilities to streamline your work (refer to my answer).

Answer №2

Customizing a specific value will lock in the width and height, ensuring they remain constant even when the window size changes. To achieve responsiveness, consider setting values as percentages so that the content adjusts proportionally to the window size.

<img src="~/Images/example.png" height="50%" width="60%" />

https://example.com/image.gif

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