实心的线条:<HR align=left width=490 color=#990099 SIZE=3 noShade>

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竖直线：<HR align=center width=1 color=red size=100>

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虚线：<hr size=1 style="color: blue;border-style:dotted;width:490">

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双线：<hr size=1 style="COLOR:#ff9999;border-style:double;width:490">

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立体感： <hr size=8 style="COLOR: #ffd306;border-style:outset;width:490;">

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左边逐渐变透明：<hr size="2" color="#ff9966" style="filter:alpha(opacity=10,finishopacity=100,style=1,startX=0,startY=0,finishX=100,finishY=100);width:490;">

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右边逐渐变透明：<hr size="2" color="#ff9966" style="filter:alpha(opacity=10,finishopacity=100,style=1,startX=100,startY=100,finishX=0,finishY=0);width:490;">