What are the restrictions on the number of stylesheet and style rules in IE

This article mainly introduces "what are the restrictions on the number of stylesheet and style rules in IE". In daily operation, I believe many people have doubts about the restrictions on the number of stylesheet and style rules in IE. Xiaobian consulted various materials and sorted out simple and easy operation methods. I hope to help you answer the doubts about "what are the restrictions on the number of stylesheet and style rules in IE"! Next, please follow the small series to learn together!

For IE6-9:

1. There can only be a maximum of 4095 style rules, and more than this number will be ignored.

Stylesheets (via @import, or) can have up to 31 (sum), more than this number will be ignored;

@import can be nested up to 3 layers, more than 3 layers will be ignored.

For IE10, IE11:

1. There can be up to 65534 style rules, and more than this number will be ignored.

Stylesheets (via @import, or) can have up to 4095 (sum), more than this number will be ignored;

@import can be nested up to 4095 layers, more than that will be ignored.

PS: A CSS rule consists of a selector and a declaration block:

IE For these limited number of algorithms, see the first part of the reference article.

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