Add white border to banner in README to be visible in dark mode
MODIFY
README.rst
README.rst
<p align="center">
<a href="https://github.com/urllib3/urllib3">
- <img src="./docs/_static/banner.svg" width="60%" alt="urllib3" />
+ <img src="./docs/_static/banner_github.svg" width="60%" alt="urllib3" />
</a>
</p>
<p align="center">

ADD
docs/_static/banner_github.svg
+<svg xmlns="http://www.w3.org/2000/svg" width="420" height="128" style=""><rect id="backgroundrect" width="100%" height="100%" x="0" y="0" fill="none" stroke="#dadada" class="" style="" stroke-opacity="1" opacity="0"/>
+ <g style="" class="currentLayer">
+ <title>Layer 1</title>
+ <path id="svg_1" d="m36.38333110809326,34.58974647521973 l0,51.88 q0,7.35 1.73,11.05 q3.06,6.55 12,6.5600000000000005 q11.48,0 15.71,-9.32 q2.2,-5.06 2.2,-13.34 l0,-46.83 l22.82,0 l0,86 l-21.86,0 l0,-12.09 c-0.21000000000000016,0.26 -0.7400000000000007,1 -1.57,2.36 a15.9,15.9 0 0 1 -3,3.48 a31.44,31.44 0 0 1 -10.2,6.47 a34.57,34.57 0 0 1 -11.52,1.78 q-19,0 -25.66,-13.74 q-3.7,-7.61 -3.7,-22.38 l0,-51.88 l23.05,0 z" class="" stroke="#ffffff" stroke-opacity="1"/>
+ <path id="svg_2" d="m152.7476901435852,32.58974647521973 c0.29000000000000026,0 0.93,0.07 1.9300000000000002,0.12000000000000002 l0,23.06 c-1.42,-0.16000000000000017 -2.68,-0.27 -3.79,-0.32000000000000034 s-2,-0.08000000000000007 -2.68,-0.08000000000000007 q-13.58,0 -18.23,8.84 q-2.6100000000000003,5 -2.6100000000000003,15.32 l0,41.12 l-22.65,0 l0,-86.06 l21.47,0 l0,15 q5.2,-8.61 9.08,-11.76 q6.3,-5.24 16.41,-5.24 l1.07,0 z" class="" stroke="#ffffff" stroke-opacity="1"/>
+ <path id="svg_3" fill="#cb3b0f" d="m189.8676901435852,90.61538743972778 l-22.81,0 l0,-86 l22.81,0 l0,86 zm-22.81,10.3 l22.81,0 l0,20.76 l-22.81,0 l0,-20.76 z" class="" stroke="#ffffff" stroke-opacity="1"/>
+ <path id="svg_4" fill="#ea9b1c" d="m226.02743375778198,89.58974647521973 l-22.82,0 l0,-86 l22.82,0 l0,86 zm-22.82,10.3 l22.82,0 l0,20.76 l-22.82,0 l0,-20.76 z" class="" stroke="#ffffff" stroke-opacity="1"/>
+ <path id="svg_5" fill="#577a27" d="m262.6899985694885,24.862566957473756 l-22.81,0 l0,-20.76 l22.81,0 l0,20.76 zm-22.81,10.24 l22.81,0 l0,86 l-22.81,0 l0,-86 z" class="" stroke="#ffffff" stroke-opacity="1"/>
+ <path id="svg_6" d="m349.5245453694749,45.62487759993961 q9.482886925935745,12.134041987610914 9.482886925935745,31.306621402675866 q0,19.82686599282829 -9.355270435214042,32.9423378470842 t-26.092664026021957,13.065904689273841 q-10.513635504841805,0 -16.894460040926933,-4.223122456472425 q-3.8186780685186386,-2.5080985480927787 -8.255805284380912,-8.763474768830102 l0,10.71642106912369 l-21.77333664774895,0 l0,-115.18417798533594 l22.077652894854545,0 l0,41.001958873168896 a32.33605541825294,32.65484829018819 0 0 1 9.286553863286972,-9.080704624715358 q5.9979750639200216,-3.9058926005871726 15.284528927206994,-3.9058926005871726 q16.75702689707279,0 26.23991382300854,12.124128554614499 zm-18.45530788898468,51.956302334206526 q4.770893422365189,-6.939403097489901 4.76107676923275,-18.310110744376924 q0,-9.070791191718941 -2.336363445520401,-15.018850989567428 q-4.46657717525959,-11.271573316922881 -16.413444037437436,-11.271573316922881 q-12.103933312296867,0 -16.639227059483527,11.033650925008944 q-2.336363445520401,5.8786657668735876 -2.3461800986528396,15.18737935050647 q0,10.904776296055559 4.849426647424698,18.151495816434295 t14.72497969865799,7.1971523553966685 a15.313978886604309,15.464955474406066 0 0 0 13.39973152577877,-6.9691433964791445 z" class="" stroke="#ffffff" stroke-opacity="1"/>
+ <path id="svg_7" d="m373.7692291736603,51.26846454620361 q0.3100000000000003,5.06 1.7400000000000002,7.42 q2.59,4.34 9.47,4.34 a11.79,11.79 0 0 0 5.6,-1.42 q5.06,-2.68 5,-9.24 t-5,-8.6 q-3.07,-1.33 -11.6,-1.6600000000000001 l0,-9.57 q7,-0.15000000000000013 9.870000000000001,-1.34 q5,-2.13 5,-8.21 a7.91,7.91 0 0 0 -2.81,-6.45 a10.56,10.56 0 0 0 -6.87,-2.25 a8.91,8.91 0 0 0 -7.3,3.12 a12.32,12.32 0 0 0 -2.5700000000000003,8.09 l-13.53,0 a20.75,20.75 0 0 1 7.42,-17.37 q5.96,-4.78 16.58,-4.77 q10.89,0 17.33,5.17 a16.55,16.55 0 0 1 6.43,13.53 a14.06,14.06 0 0 1 -2.42,8.48 a17.71,17.71 0 0 1 -6.55,5.41 a13,13 0 0 1 7.78,4.34 q3.43,3.72 3.43,11.45 q0,10.59 -7.3,16.38 a27.25,27.25 0 0 1 -17.49,5.8 q-12.07,0 -19.37,-5.32 t-7.3100000000000005,-17.33 l14.47,0 z" class="" stroke="#ffffff" stroke-opacity="1"/>
+ </g>
+
+</svg>
\ No newline at end of file

Add white border to banner in README to be visible in dark mode