input-placeholder获取焦点清空
<input type="text" placeholder="请输入" οnfοcus="this.placeholder=''" οnblur="this.placeholder='请输入'">
点击input 自动删除value文本内容
<input type="text" value="请输入" οnfοcus="if(this.value=='请输入'){this.value='';}" οnblur="if(this.value==''){this.value='请输入';}">
placeholder 颜色修改
<style>
input::-webkit-input-placeholder{ color:#000; }
input::-moz-placeholder{ color:#000; /* Mozilla Firefox 19+ */ }
input:-moz-placeholder{ color:#000; /* Mozilla Firefox 4 to 18 */ }
input:-ms-input-placeholder{ color:#000; /* Internet Explorer 10-11 */ }
</style>
input点击出现的边框设置
input:focus{ outline:none } /*去掉边框*/
input:focus{ outline:1px solid #000; } /*外部边框颜色设置为黑色*/
input:focus{ border-color:#000; outline: none; } /*内部边框颜色设置为黑色*/
文字两端对齐
.nr ul li span{ width:60px; height:35px; line-height:35px; float:left;text-align: justify}
.nr ul li span:after{ content:" "; display:inline-block; width:100%;}
待补充...