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<!DOCTYPE HTML>
<html><head><style>
button,span,fieldset { background-color: #0F0; break-inside:avoid; }
body { font-size:12px; }
</style></head>
<body>
<div style="column-count:3;height:600px;column-fill:auto">
<p><button style="box-shadow: inset -20px 10px 0 #0F0;">No Blur Radius</button>
<p><button style="box-shadow: inset 20px 10px 0 #0F0;">No Blur Radius</button>
<p><button style="box-shadow: inset -20px 10px 0 4px #0F0;">No Blur Radius</button>
<p><button style="box-shadow: inset 200px 100px 0 4px #0F0;">No Blur Radius</button>
<p><button style="box-shadow: inset 200px -100px 0 4px #0F0;">No Blur Radius</button>
<p><button style="box-shadow: inset -20px 10px 2px #0F0;">2px Blur Radius</button>
<p><button style="box-shadow: inset 20px 10px 2px #0F0;">2px Blur Radius</button>
<p><button style="box-shadow: inset -20px 10px 2px 4px #0F0;">2px Blur Radius</button>
<p><button style="box-shadow: inset 200px 100px 2px 4px #0F0;">2px Blur Radius</button>
<p><button style="box-shadow: inset 200px -100px 2px 4px #0F0;">2px Blur Radius</button>
<p><span style="box-shadow: inset -20px 10px 0 #0F0;">No Blur Radius</span>
<p><span style="box-shadow: inset 20px 10px 0 #0F0;">No Blur Radius</span>
<p><span style="box-sizing: border-box; box-shadow: inset -20px 10px 0 4px #0F0;">No Blur Radius</span>
<p><span style="box-shadow: inset 200px 100px 0 4px #0F0;">No Blur Radius</span>
<p><span style="box-shadow: inset 200px -100px 0 4px #0F0;">No Blur Radius</span>
<p><span style="box-shadow: inset -20px 10px 2px #0F0;">2px Blur Radius</span>
<p><span style="box-shadow: inset 20px 10px 2px #0F0;">2px Blur Radius</span>
<p><span style="box-sizing: border-box; box-shadow: inset -20px 10px 2px 4px #0F0;">2px Blur Radius</span>
<p><span style="box-shadow: inset 200px 100px 2px 4px #0F0;">2px Blur Radius</span>
<p><span style="box-shadow: inset 200px -100px 2px 4px #0F0;">2px Blur Radius</span>
<p><fieldset style="box-shadow: inset -20px 10px 0 #0F0;">No Blur Radius</fieldset>
<p><fieldset style="box-shadow: inset -20px 10px 0 #0F0;"><legend>No</legend> Blur Radius</fieldset>
<p><fieldset style="box-shadow: inset 20px 10px 0 #0F0;">No Blur Radius</fieldset>
<p><fieldset style="box-sizing: border-box; box-shadow: inset -20px 10px 0 4px #0F0;">No Blur Radius</fieldset>
<p><fieldset style="box-shadow: inset 200px 100px 0 4px #0F0;">No Blur Radius</fieldset>
<p><fieldset style="box-shadow: inset 200px -100px 0 4px #0F0;">No Blur Radius</fieldset>
<p><fieldset style="box-shadow: inset -20px 10px 2px #0F0;">2px Blur Radius</fieldset>
<p><fieldset style="box-shadow: inset -20px 10px 2px #0F0;"><legend>2px</legend> Blur Radius</fieldset>
<p><fieldset style="box-shadow: inset 20px 10px 2px #0F0;">2px Blur Radius</fieldset>
<p><fieldset style="box-sizing: border-box; box-shadow: inset -20px 10px 2px 4px #0F0;">2px Blur Radius</fieldset>
<p><fieldset style="box-shadow: inset 200px 100px 2px 4px #0F0;">2px Blur Radius</fieldset>
<p><fieldset style="box-shadow: inset 200px -100px 2px 4px #0F0;">2px Blur Radius</fieldset>
<p><fieldset style="display:inline; box-shadow: inset -20px 10px 0 #0F0;">No Blur Radius</fieldset>
<p><fieldset style="display:inline; box-shadow: inset -20px 10px 0 #0F0;"><legend>No</legend> Blur Radius</fieldset>
<p><fieldset style="display:inline; box-shadow: inset 20px 10px 0 #0F0;">No Blur Radius</fieldset>
<p><fieldset style="display:inline; box-sizing: border-box; box-shadow: inset -20px 10px 0 4px #0F0;">No Blur Radius</fieldset>
<p><fieldset style="display:inline; box-shadow: inset 200px 100px 0 4px #0F0;">No Blur Radius</fieldset>
<p><fieldset style="display:inline; box-shadow: inset 200px -100px 0 4px #0F0;">No Blur Radius</fieldset>
<p><fieldset style="display:inline; box-shadow: inset -20px 10px 2px #0F0;">2px Blur Radius</fieldset>
<p><fieldset style="display:inline; box-shadow: inset -20px 10px 2px #0F0;"><legend>2px</legend> Blur Radius</fieldset>
<p><fieldset style="display:inline; box-shadow: inset 20px 10px 2px #0F0;">2px Blur Radius</fieldset>
<p><fieldset style="display:inline; box-sizing: border-box; box-shadow: inset -20px 10px 2px 4px #0F0;">2px Blur Radius</fieldset>
<p><fieldset style="display:inline; box-shadow: inset 200px 100px 2px 4px #0F0;">2px Blur Radius</fieldset>
<p><fieldset style="display:inline; box-shadow: inset 200px -100px 2px 4px #0F0;">2px Blur Radius</fieldset>
</div>
</body>
</html>