Created attachment 162601 [details]
Example file

Description:
The thickness of single line border, dotted line border, horizontal line dense border, horizontal line sparse border and horizontal line point border are inconsistent with Microsoft. The distance between two lines at the bottom edge of two line border is incorrect, and three line border becomes two line border


Steps to Reproduce:
1.Use libreoffice document to open the provided test document 
2.The distance between the two lines at the bottom edge of the two line border is incorrect. The three line border becomes a two line border

Actual Results:
The distance between two lines at the bottom edge of two line border is incorrect, and three line border becomes two line border

Expected Results:
Open the test document with libreoffice, leaving the border style unchanged 

Reproducible: 
Always

Additional Info:
Version: 7.0.0.0.beta1 (x64)
Build ID: 94f789cbb33335b4a511c319542c7bdc31ff3b3c
CPU threads: 12; OS: Windows 10.0 Build 18363; 
UI render: Skia/Vulkan; VCL: win
Locale: zh-CN (zh_CN); UI: en-US
Calc: threaded