今天给大家分享一款非常漂亮的纯html5实现的时钟。整个界面都由html5绘制而成。一起看下效果图：
实现的代码。
html代码：
<div class="container">
<svg width="600" height="600" class='svg-element'> <filter id="f4" x="-50%" y="-20%" width="200%" height="140%">
<feOffset result="offOut" in="SourceAlpha" dx="0" dy="25" />
<feGaussianBlur result="blurOut" in="offOut" stdDeviation="10" />
<feBlend in="SourceGraphic" in2="blurOut" mode="normal" />
</filter> <filter id="blurred-source" x="-50%" y="-20%" width="200%" height="140%">
<feGaussianBlur in="color" stdDeviation="5" result="blurOut"/>
</filter> <filter id="inset-shadow">
<feOffset dx="0" dy="10"/> <!-- Shadow Offset -->
<feGaussianBlur stdDeviation="15" result="offset-blur"/> <!-- Shadow Blur -->
<feComposite operator="out" in="SourceGraphic" in2="offset-blur" result="inverse"/> <!-- Invert the drop shadow to create an inner shadow -->
<feFlood flood-color="black" flood-opacity="1" result="color"/> <!-- Color & Opacity -->
<feComposite operator="in" in="color" in2="inverse" result="shadow"/> <!-- Clip color inside shadow -->
<feComponentTransfer in="shadow" result="shadow"> <!-- Shadow Opacity -->
<feFuncA type="linear" slope="1"/>
</feComponentTransfer>
<feComposite operator="over" in="shadow" in2="SourceGraphic"/> <!-- Put shadow over original object -->
</filter> <filter id="inset-shadow-big">
<feOffset dx="0" dy="4"/> <!-- Shadow Offset -->
<feGaussianBlur stdDeviation="2" result="offset-blur"/> <!-- Shadow Blur -->
<feComposite operator="out" in="SourceGraphic" in2="offset-blur" result="inverse"/> <!-- Invert the drop shadow to create an inner shadow -->
<feFlood flood-color="white" flood-opacity="1" result="color"/> <!-- Color & Opacity -->
<feComposite operator="in" in="color" in2="inverse" result="shadow"/> <!-- Clip color inside shadow -->
<feComponentTransfer in="shadow" result="shadow"> <!-- Shadow Opacity -->
<feFuncA type="linear" slope="0.5"/>
</feComponentTransfer>
<feComposite operator="over" in="shadow" in2="SourceGraphic"/> <!-- Put shadow over original object -->
</filter> <filter id="inset-shadow-big-bottom">
<feOffset dx="0" dy="10"/> <!-- Shadow Offset -->
<feGaussianBlur stdDeviation="2" result="offset-blur"/> <!-- Shadow Blur -->
<feComposite operator="out" in="SourceGraphic" in2="offset-blur" result="inverse"/> <!-- Invert the drop shadow to create an inner shadow -->
<feFlood flood-color="#FFF" flood-opacity="1" result="color"/> <!-- Color & Opacity -->
<feComposite operator="in" in="color" in2="inverse" result="shadow"/> <!-- Clip color inside shadow -->
<feComponentTransfer in="shadow" result="shadow"> <!-- Shadow Opacity -->
<feFuncA type="linear" slope="0.5"/>
</feComponentTransfer>
<feComposite operator="over" in="shadow" in2="SourceGraphic" result='final-shadow-1'/> <!-- Put shadow over original object --> <feOffset dx="0" dy="-12"/> <!-- Shadow Offset -->
<feGaussianBlur stdDeviation="2" result="offset-blur"/> <!-- Shadow Blur -->
<feComposite operator="out" in="final-shadow-1" in2="offset-blur" result="inverse"/> <!-- Invert the drop shadow to create an inner shadow -->
<feFlood flood-color="#69c39b" flood-opacity="1" result="color"/> <!-- Color & Opacity -->
<feComposite operator="in" in="color" in2="inverse" result="shadow"/> <!-- Clip color inside shadow -->
<feComponentTransfer in="shadow" result="shadow"> <!-- Shadow Opacity -->
<feFuncA type="linear" slope="0.5"/>
</feComponentTransfer>
<feComposite operator="over" in="shadow" in2="final-shadow-1" result='final-shadow-2'/> <!-- Put shadow over original object --> </filter> <linearGradient id="LG"
gradientTransform="rotate(90 .5 .5)">
<stop id="s0" offset="0" stop-color="#d6f8e9"/>
<stop id="s2" offset="1" stop-color="#9ee1c4"/>
</linearGradient> <linearGradient id="LG2"
gradientTransform="rotate(-90 .5 .5)">
<stop id="s0" offset="0.07" stop-color="#fdfefe"/>
<stop id="s1" offset="0.5" stop-color="#98e2c2"/>
<stop id="s2" offset="0.8" stop-color="#79c9a7"/>
<stop id="s3" offset="1" stop-color="#5fbc95"/>
</linearGradient> <linearGradient id="arrow1"
gradientTransform="rotate(-90 .5 .5)">
<stop id="s0" offset="0" stop-color="#07594f"/>
<stop id="s2" offset="1" stop-color="#01443c"/>
</linearGradient> <linearGradient id="arrowRed"
gradientTransform="rotate(-90 .5 .5)">
<stop id="s0" offset="0" stop-color="#fd5959"/>
<stop id="s2" offset="1" stop-color="#fe7c7c"/>
</linearGradient> <linearGradient id="center-knob-outter"
gradientTransform="rotate(90 .5 .5)">
<stop id="s0" offset="0" stop-color="#fffefe"/>
<stop id="s2" offset="1" stop-color="#86ecdb"/>
</linearGradient> <linearGradient id="center-knob-inner"
gradientTransform="rotate(90 .5 .5)">
<stop id="s0" offset="0" stop-color="#a0dcd2"/>
<stop id="s2" offset="1" stop-color="#dff9ef"/>
</linearGradient> <g transform="translate(50, 20)"> <rect x="0" y="0"
width="382" height="382"
fill="url(#LG)"
filter="url(#inset-shadow-big-bottom)"
rx="75" ry="105" /> <circle cx="191" cy="191" r="155" fill="url(#LG2)"/>
<circle cx="191" cy="191" r="130" fill="#53d2c5"/>
<circle cx="191" cy="191" r="130" fill="#53d2c5" filter="url(#inset-shadow)" /> <g width="200" height="200"
transform="translate(100, 100)">
<animateTransform attributeName="transform" type="translate" dur="4s"
values="191,191;191,191" repeatCount="indefinite"/>
<animateTransform attributeName="transform" additive="sum" type="rotate"
dur="86400s" values="200, 0 0;550 0 0" repeatCount="indefinite"/> <rect x="0" y="0"
width="22" height="70"
fill="url(#arrow1)"
fill-opacity="0.5"
filter="url(#blurred-source)"
rx="10" ry="10"
transform="translate(-11, -15)" />
</g> <g width="200" height="200"
transform="translate(100, 100)">
<animateTransform attributeName="transform" type="translate" dur="4s"
values="191,191;191,191" repeatCount="indefinite"/>
<animateTransform attributeName="transform" additive="sum" type="rotate"
dur="86400s" values="200, 0 0;550 0 0" repeatCount="indefinite"/> <rect x="0" y="0"
width="20" height="70"
fill="url(#arrow1)"
rx="10" ry="10"
transform="translate(-10, -10)" />
</g> <g width="200" height="200"
transform="translate(100, 100)">
<animateTransform attributeName="transform" type="translate" dur="4s"
values="191,191;191,191" repeatCount="indefinite"/>
<animateTransform attributeName="transform" additive="sum" type="rotate"
dur="3600s" values="90,0 0;450 0 0" repeatCount="indefinite"/> <rect x="0" y="0"
width="18" height="104"
fill="url(#arrow1)"
fill-opacity="0.8"
filter="url(#blurred-source)"
rx="8" ry="8"
transform="translate(-9, -15)"> />
</g> <g width="200" height="200"
transform="translate(100, 100)">
<animateTransform attributeName="transform" type="translate" dur="4s"
values="191,191;191,191" repeatCount="indefinite"/>
<animateTransform attributeName="transform" additive="sum" type="rotate"
dur="3600s" values="90,0 0;450 0 0" repeatCount="indefinite"/> <rect x="0" y="0"
width="16" height="104"
fill="url(#arrow1)"
rx="8" ry="8"
transform="translate(-8, -8)"> />
</g> <g width="200" height="200">
<animateTransform attributeName="transform" type="translate" dur="4s"
values="195,195;190,195" repeatCount="indefinite"/>
<animateTransform attributeName="transform" additive="sum" type="rotate"
dur="60s" values="0,0 0;360 0 0" repeatCount="indefinite"/> <rect class="arrowRed"
x="0" y="0"
width="8" height="120"
fill="url(#arrowRed)"
filter="url(#blurred-source)"
fill-opacity="0.5"
rx="3" ry="3"
transform="translate(-3, -20)"/>
</g> <g width="200" height="200"
transform="translate(100, 100)">
<animateTransform attributeName="transform" type="translate" dur="4s"
values="191,191;191,191" repeatCount="indefinite"/>
<animateTransform attributeName="transform" additive="sum" type="rotate"
dur="60s" values="0,0 0;360 0 0" repeatCount="indefinite"/> <rect class="arrowRed"
x="0" y="0"
width="6" height="134"
fill="url(#arrowRed)"
rx="3" ry="3"
transform="translate(-3, -20)"/>
</g> <g width="200" height="200"
transform="translate(191, 191)"> <circle cx="0" cy="0" r="19" fill="url(#center-knob-outter)"/>
<circle cx="0" cy="0" r="10" fill="url(#center-knob-inner)"/>
</g> <!-- <path d="M 200 20
200 40
180 30 z">--> </g>
</div>
css代码：
.container
{
text-align: center;
width: 100%;
margin-top: 20px;
padding: 20px;
}