fix mobile and desktop app images looking different

core/img/desktopapp.svg

-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 792 612" xml:space="preserve" height="60" viewBox="0 0 1346.4 475.2" width="170" version="1.1" y="0px" x="0px" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
-<rect rx="50" ry="50" height="475.2" width="1346.4" y="-3.5527e-15" x="-2.8405e-15" fill="#1a1a1a"/><path fill="#fff" d="m150.48 126.72c-11.88 0-23.76 11.88-23.76 23.76v166.32l-47.52 23.76v11.88s0 11.88 11.88 11.88h356.4c11.88 0 11.88-11.88 11.88-11.88v-11.88l-47.52-23.76v-166.32c0-11.88-11.88-23.76-23.76-23.76zm0 23.667h237.6v142.65h-237.6z"/><text style="word-spacing:0px;letter-spacing:0px" xml:space="preserve" font-size="316.8px" y="239.58" x="451.44" font-family="Sans" line-height="125%" fill="#ffffff"><tspan font-weight="600" font-size="126.72px" y="239.58" x="451.44" font-family="FreeSans" fill="#ffffff">Desktop app</tspan></text>
-<text style="word-spacing:0px;letter-spacing:0px" xml:space="preserve" font-size="316.8px" y="342.54001" x="493.01996" font-family="Sans" line-height="125%" fill="#ffffff"><tspan font-size="71.28px" y="342.54001" x="493.01996" font-family="FreeSans" fill="#ffffff">Windows, OS X, Linux</tspan></text>
+<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" version="1.1" xml:space="preserve" height="60" width="170" enable-background="new 0 0 792 612" y="0px" x="0px" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" viewBox="0 0 1346.4 475.2"><metadata><rdf:RDF><cc:Work rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/><dc:title/></cc:Work></rdf:RDF></metadata>
+<rect rx="50" ry="50" height="475.2" width="1346.4" y="-3.5527E-15" x="-2.8405E-15" fill="#000"/><path d="m150.48,126.72c-11.88,0-23.76,11.88-23.76,23.76v166.32l-47.52,23.76v11.88s0,11.88,11.88,11.88h356.4c11.88,0,11.88-11.88,11.88-11.88v-11.88l-47.52-23.76v-166.32c0-11.88-11.88-23.76-23.76-23.76zm0,23.667h237.6v142.65h-237.6z" fill="#fff"/><text style="word-spacing:0px;letter-spacing:0px;" xml:space="preserve" font-size="316.8px" y="239.58" x="451.44" font-family="Sans" line-height="125%" fill="#ffffff"><tspan font-size="126.72px" font-family="FreeSans" y="239.58" x="451.44" font-weight="600" fill="#ffffff">Desktop app</tspan></text>
+<text style="word-spacing:0px;letter-spacing:0px;" xml:space="preserve" font-size="316.8px" y="342.54001" x="493.01996" font-family="Sans" line-height="125%" fill="#ffffff"><tspan font-size="71.28px" y="342.54001" x="493.01996" font-family="FreeSans" fill="#ffffff">Windows, OS X, Linux</tspan></text>
 </svg>