console
<svg width="500px" height="500px">
<defs>
<linearGradient id="zuoyou" x1="0%" y1="0%" x2="100%" y2="0%">
<stop offset="0%" style="stop-color:gold"/>
<stop offset="25%" style="stop-color:pink"/>
<stop offset="50%" style="stop-color:skyblue"/>
<stop offset="75%" style="stop-color:orange"/>
<stop offset="100%" style="stop-color:red"/>
</linearGradient>
<linearGradient id="shangxia" x1="0%" y1="100%" x2="0%" y2="0%">
<stop offset="0%" style="stop-color:gold"/>
<stop offset="25%" style="stop-color:pink"/>
<stop offset="50%" style="stop-color:skyblue"/>
<stop offset="75%" style="stop-color:orange"/>
<stop offset="100%" style="stop-color:red"/>
</linearGradient>
<radialGradient id="yuan" cx="50%" cy="50%" r="50%" fx="50%" fy="10%">
<stop offset="0%" style="stop-color:gold"/>
<stop offset="100%" style="stop-color:white"/>
</radialGradient>
</defs>
<ellipse cx="150" cy="100" rx="100" ry="50" fill="url(#zuoyou)"/>
<text font-size="90px" x="60" y="133" fill="url(#shangxia)">SVG</text>
<ellipse cx="150" cy="300" rx="100" ry="50" fill="url(#yuan)"/>
</svg>