CSS 闪电按钮效果

    <template>
    	<view class="const">
    		<div class="voltage-button">

    			<button>闪电按钮</button>
    			<svg version="1.1" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewBox="0 0 234.6 61.3"
    				preserveAspectRatio="none" xml:space="preserve">

    				<filter id="glow">
    					<feGaussianBlur class="blur" result="coloredBlur" stdDeviation="2"></feGaussianBlur>
    					<feTurbulence type="fractalNoise" baseFrequency="0.075" numOctaves="0.3" result="turbulence">
    					</feTurbulence>
    					<feDisplacementMap in="SourceGraphic" in2