shaky text

<style>
@keyframes squiggly-anim {
0% {
-webkit-filter: url("#squiggly-0");
filter: url("#squiggly-0");
}
25% {
-webkit-filter: url("#squiggly-1");
filter: url("#squiggly-1");
}
50% {
-webkit-filter: url("#squiggly-2");
filter: url("#squiggly-2");
}
75% {
-webkit-filter: url("#squiggly-3");
filter: url("#squiggly-3");
}
100% {
-webkit-filter: url("#squiggly-4");
filter: url("#squiggly-4");
}

}
#scratch {
font-size:175%;

animation: squiggly-anim .5s linear infinite;
}
</style>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
<defs>
<filter id="squiggly-0">
<feTurbulence id="turbulence" baseFrequency="0.02" numOctaves="3" result="noise" seed="0" />
<feDisplacementMap id="displacement" in="SourceGraphic" in2="noise" scale="6" />
</filter>
<filter id="squiggly-1">
<feTurbulence id="turbulence" baseFrequency="0.02" numOctaves="3" result="noise" seed="1" />
<feDisplacementMap in="SourceGraphic" in2="noise" scale="8" />
</filter>

<filter id="squiggly-2">
<feTurbulence id="turbulence" baseFrequency="0.02" numOctaves="3" result="noise" seed="2" />
<feDisplacementMap in="SourceGraphic" in2="noise" scale="6" />
</filter>
<filter id="squiggly-3">
<feTurbulence id="turbulence" baseFrequency="0.02" numOctaves="3" result="noise" seed="3" />
<feDisplacementMap in="SourceGraphic" in2="noise" scale="8" />
</filter>

<filter id="squiggly-4">
<feTurbulence id="turbulence" baseFrequency="0.02" numOctaves="3" result="noise" seed="4" />
<feDisplacementMap in="SourceGraphic" in2="noise" scale="6" />
</filter>
</defs>
</svg>