input[type=text]:focus,input[type=password]:focus,textarea:focus{
outline:none;
border-color:rgba(241,39,62,.75);
/*设置边框阴影*/
-webkit-box-shadow:0 0 8px rgba(241,39,52,.5);
-moz-box-shadow:0 0 8px rgba(241,39,52,.5);
-o-box-shadow:0 0 8px rgba(241,39,52,.5);
box-shadow:0 0 8px rgba(241,39,52,.5);
/*CSS3实现渐变*/
-webkit-transition:border linear .2s, -webkit-box-shadow linear .5s;
-moz-transition:border linear .2s, -moz-box-shadow linear .5s;
-o-transition: border linear .2s, -o-box-shadow linear .5s;
transition:border linear .2s, box-shadow linear .5s;
}