html - How to blur an image using CSS3 without cropping or fading the edges? - Stack Overflow
Using box-shadow to construct a border | Codementor
CSS borders
Blurred Borders in CSS | CSS-Tricks - CSS-Tricks
Awesome CSS Border Animation Examples to Use in Your Websites
backdrop filter blur css Code Example
html - CSS: How to blur background image within the div? - Stack Overflow
CSS Backgrounds and Borders Module Level 3
Creating a blurred border in illustrator - PhotoLens
Expanded Use of `box-shadow` and `border-radius` | Modern CSS Solutions
Creating a Fuzzy Border in CSS 3 - Stack Overflow
css filters - Is it possible to make a blurred gradient shadow with CSS? - Stack Overflow
How to make a background blur in CSS with one line of code | by Andrew Nicholl | Prototypr
html - Apply soft edges to image using CSS - Stack Overflow
CSS Shadow Effects
Box-shadow, one of CSS3's best new features - CSS3 . Info
Box-Shadow back on the Menu (and other updates) - CSS3 . Info
CSS Borders: 7+ Examples
Creating Glow Effects with CSS / Coder's Block
css filters - Is it possible to make a blurred gradient shadow with CSS? - Stack Overflow
Sanity Check: Chrome 63 Still Causes Blurry Borders With Percentage-Based CSS Translation
How To Add Realism With CSS Box Shadow And Text Shadow - Vanseo Design
How to do CSS only frosted glass effect? | by Usama Tahir | HackerNoon.com | Medium
