URL: https://m.feebee.com.tw/s/Samsung%20Note%208?

Browser / Version: Firefox Mobile Nightly 59.0a1 (2018-01-02)
Operating System: Google Pixel (Android 8.1.0) - 1080 x 1920 pixels (~441 ppi pixel density)
Tested Another Browser: Yes

Problem type: Design is broken
Description: “價格” drop-down button arrows are misaligned
Steps to Reproduce:

1. Navigate https://m.feebee.com.tw/s/Samsung%20Note%208?.
2. Observe “價格” (“Price”) drop-down button.

Expected Behavior:
Arrows are centered.

Actual Behavior:
Arrows are misaligned.

Note:
1. Reproducible on Firefox 57.0 Release (Mobile).
2. Not reproducible on Chrome (Mobile) 63.0.3239.111.
3. Screenshot attached.
4. Not reproducible on Responsive Mode.
5. Affected area:

<a rel="nofollow" id="price_range_btn" href="javascript:void(0);" class="pure-menu-link pure-menu-heading small">
   價格
   <svg width="14" height="14" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" viewBox="0 0 199 251">
      <g>
         <polygon points="99.39999389648438,0 0,99.29998779296875 198.70001220703125,99.29998779296875 " fill="#FFFFFF"></polygon>
         <polygon points="99.89999389648438,250.79998779296875 199.20001220703125,151.5 0.5,151.5 " fill="#FFFFFF"></polygon>
      </g>
   </svg>
</a>

Watchers:
@softvision-sergiulogigan
@softvision-oana-arbuzov

sv; country: tw

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