curve要素のCSSのopacity属性のサンプル
指定なし
<v:curve from="0,0" control1="0,100;" control2="100,100;" to="200,0" style="position:relative;" />
0.3を指定
<v:curve from="0,0" control1="0,100;" control2="100,100;" to="200,0" style="position:relative;" opacity="0.3" />
0.8を指定
<v:curve from="0,0" control1="0,100;" control2="100,100;" to="200,0" style="position:relative;" opacity="0.8" />
1を指定
<v:curve from="0,0" control1="0,100;" control2="100,100;" to="200,0" style="position:relative;" opacity="1" />
-0.3を指定
<v:curve from="0,0" control1="0,100;" control2="100,100;" to="200,0" style="position:relative;" opacity="-0.3" />
0を指定
<v:curve from="0,0" control1="0,100;" control2="100,100;" to="200,0" style="position:relative;" opacity="0" />