companies: add Amazon front end interview PDF

contents/companies/amazon-front-end-interview-questions.md

@@ -9,7 +9,12 @@ Front End Interview Handbook is now part of [GreatFrontEnd](https://www.greatfro
 
 :::
 
-Amazon is known to focus a lot on behavioral questions and their Leadership Principles. Hence be well-prepared in the non-technical aspects too. Refer to the [official Amazon Interview Preparation Guide for Software Development Engineer](https://amazonsdeinterviewprep.splashthat.com/).
+Amazon is known to focus a lot on behavioral questions and their Leadership Principles. Hence be well-prepared in the non-technical aspects too.
+
+Refer to the official Amazon Interview Preparation Guides for:
+
+- [Front End Engineers](/companies/amazon.pdf)
+- [Software Development Engineer](https://amazonsdeinterviewprep.splashthat.com/)
 
 ## Trivia
 

website/src/css/custom.css

@@ -145,3 +145,10 @@ div[class^='announcementBar_'] {
   background: var(--ifm-color-emphasis-200);
   color: inherit;
 }
+
+.alert a:after {
+  content: url(/img/icons8-twitter.svg);
+  width: 10px;
+  display: inline-block;
+  height: 10px;
+}