使用IE浏览器是看不到此效果的。

直接为全局input添加了这个CSS3效果

input[type=text]:focus,input[type=password]:focus,textarea:focus,textarea:hover,input:hover{
   transition:border linear .2s,box-shadow linear .5s; -moz-transition:border linear .2s,-moz-box-shadow linear .5s; -webkit-transition:border linear .2s,-webkit-box-shadow linear .5s; -o-transition:border linear .2s,-webkit-box-shadow linear .5s; outline:none;border-color:rgba(241,39,242,.75); box-shadow:0 0 8px rgba(241,39,232,.5); -moz-box-shadow:0 0 8px rgba(241,39,232,.5); -webkit-box-shadow:0 0 8px rgba(241,39,232,3); -o-box-shadow:0 0 8px rgba(241,39,232,.5); }