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一个发光的搜索边框(纯CSS3)

这是效果图,边框会不停的闪,兼容各种浏览器

HTML代码:

<body><div class="container">    <form method="post" action="#">        <div class="input-group">            <input type="text" placeholder="请告诉我,你在寻找什么" >            <span class="input-group-btn">                <button class="btn" type="submit">立即搜索</button>            </span>        </div>    </form></div></body>

 

 

CSS代码:

@charset "utf-8";/* CSS Document */body{padding:0; margin:0; font-size:16px;}input{ border:0; outline:0;} /* 设置外部容器样式 开始 使用媒体查询以兼容各种设备*/.container{ width:100%; }@media(min-width:800px) and (max-width:1280px){.container{ width:65%;}}@media(min-width:1281px){.container{ width:45%;}}/* 设置外部容器样式 结束 *//*设置表单组中输入框的样式*/.input-group{ width:90%; margin:5%; }.input-group input { height:3em; line-height:3em; width:66%;  border:1px solid #cccccc; border-top-left-radius:1.5em;/*设置左上角的边框*/                        border-bottom-left-radius:1.5em;/*控制左下边的边框*/padding-left:1.2em; font-size:14px;}@media(min-width:800px) and (max-width:1280px){.input-group input{ height:3em; line-height:3em; font-size:22px;}}/* 设置按钮样式的内边距 */.btn{width:27%; float:right;}/* 设置表单组中按钮的样式 */.input-group .input-group-btn .btn{    height:2.9em;    border:1px solid #cccccc;    border-top-right-radius:1.5em;    border-bottom-right-radius:1.5em;    border-left:none;    color:white;    /*text-shadow:0 0 2px #fff, 0 0 4px #fff, 0 0 60px #fff, 0 0 8px #ff00de, 0 0 10px #ff00de, 0 0 12px #ff00de, 0 0 14px #ff00de, 0 0 16px #ff00de;*/    font-family: "微软雅黑"; text-align:center; color:#fff; text-shadow:3px 3px 3px red;    font-size:16px;}@media(min-width:800px) and (max-width:1280px){.input-group .input-group-btn .btn{ height:2.7em; line-height:2.7em; font-size:26px;}}@media(min-width:1281px){.input-group .input-group-btn .btn{height:2.3em; line-height:2.3em; font-size:20px; }}/*设置表单组元素统一向左浮动    即让输入框和按钮和在一起*/.input-group input,.input-group button{float:left;}/* 定义动画帧 开始 */@-webkit-keyframes glow {    0% {        border-color: #cccccc;        box-shadow: 0 0 5px rgba(102,153,255,.2), inset 0 0 5px rgba(102,153,255,.1);    }        100% {        border-color: #66FFFF;        box-shadow: 0 0 20px rgba(102,153,255,.6), inset 0 0 10px rgba(102,153,255,.4);    }}@-moz-keyframes glow {    0% {        border-color: #cccccc;        box-shadow: 0 0 5px rgba(102,153,255,.2), inset 0 0 5px rgba(102,153,255,.1);    }        100% {        border-color: #66FFFF;        box-shadow: 0 0 20px rgba(102,153,255,.6), inset 0 0 10px rgba(102,153,255,.4);    }}@-o-keyframes glow {    0% {        border-color: #cccccc;        box-shadow: 0 0 5px rgba(102,153,255,.2), inset 0 0 5px rgba(102,153,255,.1);    }        100% {        border-color: #66FFFF;        box-shadow: 0 0 20px rgba(102,153,255,.6), inset 0 0 10px rgba(102,153,255,.4);    }}@-ms-keyframes glow {    0% {        border-color: #cccccc;        box-shadow: 0 0 5px rgba(102,153,255,.2), inset 0 0 5px rgba(102,153,255,.1);    }        100% {        border-color: #66FFFF;        box-shadow: 0 0 20px rgba(102,153,255,.6), inset 0 0 10px rgba(102,153,255,.4);    }}@keyframes glow {    0% {        border-color: #cccccc;        box-shadow: 0 0 5px rgba(102,153,255,.2), inset 0 0 5px rgba(102,153,255,.1);    }        100% {        border-color: #66FFFF;        box-shadow: 0 0 20px rgba(102,153,255,.6), inset 0 0 10px rgba(102,153,255,.4);    }}/* 定义动画帧 结束 *//*当表单组中组件获得焦点的时候,执行动画*/.input-group input:focus,.input-group .input-group-btn .btn:focus{     outline:none;    /*参数依次是:动画名称,完成整个动画所需的时间,规定动画的速度曲线(这里时以低速结束动画),动画播放的次数(值可以是数值,这里时无限),完成一个周期后是否能逆向播放动画*/    -webkit-animation: glow 800ms ease-out infinite alternate;    -moz-animation: glow 800ms ease-out infinite alternate;    -o-animation: glow 800ms ease-out infinite alternate;    -ms-animation: glow 800ms ease-out infinite alternate;    animation: glow 800ms ease-out infinite alternate;}