themes/unitexgramlab/css/images/pattern-size1.svg
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<style type="text/css"><![CDATA[
line {
stroke: rgba(255,255,255,0.075);
stroke-width: 0.5px;
}
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<line x1="-250" y1="0" x2="250" y2="500" />
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<line x1="250" y1="0" x2="750" y2="500" />
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