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doctype html

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html

>

<

head

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<

meta 

charset

="utf-8"

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<

title

>无标题文档

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title

>

<

style

>

*{

 margin:

0;

 padding:

0}

img{

 width:

200px;

 height:

200px;

 border:

2px solid #000}

.back h5 {

font-size:

 4em;

color:

 #f2050b;

text-align:

 center;

animation:

 warning 1.5s infinite ease-in;

}

@keyframes warning {

from {

text-shadow:

 0px 0px 4px #000000;

}

50% {

text-shadow:

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}

to {

text-shadow:

 0 0 4px #000000;

}

}

</

style

>

</

head

>

<

body 

id

="quiz"

>

<

div 

class

="back"

>

 

<

h5

>我叫张小蕾

</

h5

>

</

div

>

 

</

body

>

</

html

>