美化wordpress登录后台样式-简约不简单

在主题目录中functions.php文件里添加以下代码 (可以转换为css：https://www.wetools.com/sass-to-css)：

function login_scripts() {
wp_enqueue_style( "login-index", get_template_directory_uri() . "/style/login.css" ); } 
add_action('login_enqueue_scripts', 'login_scripts');

login.css

    .login {
      position: relative;
       background-image: url("./img/background-d7103c44.svg")!important;
      background-position: center;
      background-size: cover;
      background: #fff;
    }

    #login {
      position: absolute;
      left: 50%;
      margin-left: -200px;
      padding: 0;
      top: 50%;
      margin-top: -300px;
      background: #fff;
      width: 400px;
      border-radius: 4px;
      h1 {
        padding: 30px 0;
        a {
          background-image: url("./img/logo.png");
          /*border-radius: 50px;*/
          /*box-shadow: 0 0 10px 5px #e4eaef;*/
          background-size: 80% auto;
          background-position: center;
          margin: 0 auto;
          width: 250px;
          outline: none;
          height: 80px;
          transition: all .2s;
          &:hover {
            box-shadow: 0 0 10px 5px #bfd9ef
          }
        }
      }
      form {
          border: 0px solid #c3c4c7;
        box-shadow: none;
        margin-top: 0;
        padding: 10px 30px 2px;
        input {
                border: 0;
                    border-bottom: 1px solid rgb(128, 125, 125);
          padding: 7px 10px;
          margin-top: 8px;
          font-size: 16px;
          border-radius: 4px;
          height: 40px;
          &:focus {
            border-color: #419df5;
            box-shadow: 0 0 2px rgb(123, 184, 243);
          }
        }
        .forgetmenot {
          padding-bottom: 20px;
          padding-top: 7px;
          input[type=checkbox], input[type=radio] {
            width: 20px;
            height: 20px;
            margin-top: 0
          }
        }
        .submit {
          float: none;
          input[type=submit] {
            width: 100%;
            background: #419df5;
            border-color: #419df5;
            line-height: 40px;
            padding: 0;
            text-shadow: none;
            box-shadow: none
          }
        }
      }
      #nav, #backtoblog {
        padding-left: 30px
      }
    }
     
    @media screen and (max-width: 767px) {
      #login {
        left: 5%;
        margin-left: 0;
        width: 90%
      }
    }