badge-gen/assets/badgeTemplate.tpl

<svg xmlns="http://www.w3.org/2000/svg" width="{{ .Width }}" height="20">
   <linearGradient id="b" x2="0" y2="100%">
      <stop offset="0" stop-color="#bbb" stop-opacity=".1" />
      <stop offset="1"                   stop-opacity=".1" />
   </linearGradient>
   <mask id="a">
      <rect width="{{ .Width }}" height="20" rx="3" fill="#fff" />
   </mask>
   <g mask="url(#a)">
      <path fill="#555"             d="M0                 0 h{{ .TitleWidth }}  v20 H0                 z" />
      <path fill="#{{ .Color }}"    d="M{{ .TitleWidth }} 0 H{{ .Width }}       v20 H{{ .TitleWidth }} z" />
      <path fill="url(#b)"          d="M0                 0 h{{ .Width }}       v20 H0                 z" />
   </g>
   <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
      <text x="{{ .TitleAnchor }}" y="15" fill="#010101" fill-opacity=".3">{{ .Title }}</text>
      <text x="{{ .TitleAnchor }}" y="14"                                 >{{ .Title }}</text>
      <text x="{{ .TextAnchor }}"  y="15" fill="#010101" fill-opacity=".3">{{ .Text }}</text>
      <text x="{{ .TextAnchor }}"  y="14"                                 >{{ .Text }}</text>
   </g>
</svg>