<svg version="1.1" x="0px" y="0px"
viewBox="0 0 1047.7 1323.45" style="width: 360px;" xml:space="preserve">
<style type="text/css">
.st0{mask: url(#masking-lum);}
.st1{fill:#C6C6C6;}
.st2{fill:#9D9D9C;}
.st3{fill:#F9EEE6;}
.st4{fill:none;stroke:#000000;stroke-width:5;stroke-miterlimit:10;}
</style>
<mask id="masking-lum" x="0" y="0">
<image xlink:href="pattern-2312528_960_720.png" width="1047.7" height="1323.45" />
</mask>
<g id="Слой_1">
</g>
<g id="простынь">
<path class="st0" d="M877.47,683.36h-720c-18.54,0-33.7-15.17-33.7-33.7V171.7c0-18.54,15.17-33.7,33.7-33.7h720
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<g id="подушка_1">
<path class="st1" d="M490.92,210.51c1.53-84.26,15.32-121.79,5.62-121.91c-9.7-0.13-24,19.28-173.11,21.83
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<path class="st1" d="M881.38,249.94c8.76-83.81,25.72-120.02,16.06-120.98c-9.66-0.96-25.57,17.14-174.34,6.89
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<g id="одеяло">
<path class="st2" d="M844.92,591.83c-84.64-13.4-675-102.83-707.74-108.57s-37.91,2.3-37.91,21.26c0,18.96,0,45.06,0,45.06
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<g id="контуры"> ...</g>
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Вот код изображения SVG почему маска обесцвечивается? подскажите пожалуйста!