Edge (and some versions of Internet Explorer, like IE11) use to render a × clear input button on text fields. While this is intended as a nicety for users, it comes in annoying when you've built and styled your own clear input button.

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

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Hide the Edge × with this pseudo selector:

input::-ms-clear
  display: none