Semantic-ui: [Tab] - Evenly divided tabs pixel offset between last tab and segment

[larsbo]

Steps to Reproduce

1. Create an evenly divided tabular menu, e.g. ui top attached three item tabular menu.
2. Create corresponding segments, e.g. ui bottom attached tab segment.
3. add required javascript, e.g. $('.menu .item').tab();.

Expected
The border of the last tab of an evenly divided tabluar menu should match with the border of the attached segment.

Result
There is a small offset (1 pixel) between tab border and segment border.

Testcase
http://jsfiddle.net/9ux939ro/
(second example)

[vinayakkulkarni]

Was playing around with tabs today and noticed it.

it happens because of this:

.ui.attached.segment {
    width: calc(100% + 2px );
    max-width: calc(100% + 2px );

if you set

calc(100% + 1px);

it's fixed

[awgv]

This might be related: #4248.

[stale[bot]]

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