body {
}
.input_text{
    margin:10px;
    height:30px;
    line-height:30px;
    padding-left:5px;
    border:1px solid #aaa;
}
.btn{
    display:block;
    width:80px;
    height:30px;
    padding:5px 10px;
    line-height:30px;
    border-radius:4px;
    background:#1a7dd3;
    color:#fff;
    cursor:pointer;
    text-decoration:none;
    text-align:center;
}