<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" version="1.1">
<defs>
  <linearGradient id="carbon" x1="0%" x2="0%" y1="0%" y2="100%">
   <stop offset="0%" style="stop-color: #525c66; stop-opacity: 1"/>
   <stop offset="100%" style="stop-color: #36424e; stop-opacity: 1"/>
  </linearGradient>
  <linearGradient id="cyberblue" x1="0%" x2="0%" y1="0%" y2="100%">
   <stop stop-color="#07B3FF"/>
   <stop offset="1" stop-color="#007DE8"/>
  </linearGradient>
  <linearGradient id="cyberneon" x1="0%" x2="0%" y1="0%" y2="100%">
    <stop offset="0" style="stop-color: #0abdc6; stop-opacity: 1"/>
    <stop offset="1" style="stop-color: #ea00d9; stop-opacity: 1"/>
  </linearGradient>
  <linearGradient id="cyberorange" x1="0%" x2="0%" y1="0%" y2="100%">
    <stop offset="0%"   style="stop-color: #FF9757; stop-opacity: 1"/>
    <stop offset="50%"  style="stop-color: #FF6E51; stop-opacity: 1"/>
    <stop offset="100%" style="stop-color: #F5350F; stop-opacity: 1"/>
  </linearGradient>
  <linearGradient id="cyberturquoise"  x1="0%" x2="0%" y1="0%" y2="100%">
   <stop stop-color="#037164"/>
   <stop offset="1" stop-color="#00AC98"/>
  </linearGradient>
  <linearGradient id="fitdance" x1="0%" x2="0%" y1="0%" y2="100%">
   <stop offset="0%" style="stop-color: #1ad6ab; stop-opacity: 1"/>
   <stop offset="100%" style="stop-color: #329db6; stop-opacity: 1"/>
  </linearGradient>
  <linearGradient id="goldcarbon" x1="0%" x2="0%" y1="0%" y2="100%">
   <stop offset="1e-07" stop-color="#EDC268"/>
   <stop offset="1" stop-color="#9B7424"/>
  </linearGradient>
  <linearGradient id="lemon" x1="0%" x2="0%" y1="0%" y2="100%">
   <stop offset="0.1" stop-color="#6DDB0A"/>
   <stop offset="0.2" stop-color="#61D915"/>
   <stop offset="0.3" stop-color="#55D620"/>
   <stop offset="0.4" stop-color="#49D42B"/>
   <stop offset="0.5" stop-color="#3CD235"/>
   <stop offset="0.6" stop-color="#30CF40"/>
   <stop offset="0.7" stop-color="#24CD4B"/>
   <stop offset="0.8" stop-color="#18CA56"/>
   <stop offset="0.9" stop-color="#0CC861"/>
   <stop offset="1.0" stop-color="#00C66B"/>
  </linearGradient>
  <linearGradient id="purplecarbon" x1="0%" x2="0%" y1="0%" y2="100%">
   <stop offset="1e-07" stop-color="#EC57FF"/>
   <stop offset="0.5" stop-color="#C551FF"/>
   <stop offset="1" stop-color="#A90FF5"/>
  </linearGradient>
  <linearGradient id="redcarbon" x1="0%" x2="0%" y1="0%" y2="100%">
   <stop offset="0%" style="stop-color: #FF6D57; stop-opacity: 1"/>
   <stop offset="50%" style="stop-color: #FF5160; stop-opacity: 1"/>
   <stop offset="100%" style="stop-color: #F50F22; stop-opacity: 1"/>
  </linearGradient>
  <linearGradient id="silvercarbon" x1="0%" x2="0%" y1="0%" y2="100%">
   <stop offset="0%" stop-color="#DFDFDF"/>
   <stop offset="100%" stop-color="#A0A0A0"/>
  </linearGradient>
  <linearGradient id="ubuntu" x1="0%" x2="0%" y1="0%" y2="100%">
   <stop offset="1e-07" stop-color="#AD4F8D"/>
   <stop offset="1" stop-color="#6B8CCB"/>
  </linearGradient>
</defs>
 <circle fill="url(#goldcarbon)" cx="8" cy="8" r="7"/>
 <path fill="#ececec" d="M 7,3 V 7 H 3 V 9 H 7 V 13 H 9 V 9 H 13 V 7 H 9 V 3 Z"/>
</svg>