开源教程在线编辑器

<!DOCTYPE html>
<html>
<body>

<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
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    <filter id="MyFilter" filterUnits="userSpaceOnUse" x="0" y="0" width="200" height="120">
      <feGaussianBlur in="SourceAlpha" stdDeviation="4" result="blur" />
      <feOffset in="blur" dx="4" dy="4" result="offsetBlur"/>
      <feSpecularLighting in="blur" surfaceScale="5" specularConstant=".75" specularExponent="20" lighting-color="#bbbbbb" result="specOut">
        <fePointLight x="-5000" y="-10000" z="20000" />
      </feSpecularLighting>
      <feComposite in="specOut" in2="SourceAlpha" operator="in" result="specOut" />
    </filter>
  </defs>
  <rect x="1" y="1" width="198" height="118" fill="#cccccc" />
  <g filter="url(#MyFilter)">
    <path fill="none" stroke="#D90000" stroke-width="10" d="M50,90 C0,90 0,30 50,30 L150,30 C200,30 200,90 150,90 z" />
    <text fill="#FFFFFF" stroke="black" font-size="45" font-family="Verdana" x="52" y="76">SVG</text>
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</svg>

</body>
</html>