가상클래스 여백생김 문제


<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>마우스 올리면 배경이미지 변경하기</title>
    <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
    <link rel="stylesheet" href="style-background.css" />
  </head>
  <body>
    <div class="container">
      <ul class="navi">
        <li data-img="./images/portrait-01.jpg">
          <a href="#none" data-txt="ABOUT">ABOUT</a>
        </li>
        <li data-img="./images/portrait-02.jpg">
          <a href="#none" data-txt="INSTRUCTOR">INSTRUCTOR</a>
        </li>
        <li data-img="./images/portrait-03.jpg">
          <a href="#none" data-txt="CLASS">CLASS</a>
        </li>
        <li data-img="./images/portrait-04.jpg">
          <a href="#none" data-txt="LOCATION">LOCATION</a>
        </li>
      </ul>
      <div class="photo"></div>
    </div>
    <script>
      $(".navi li").mouseenter(function () {
        var dataImg = $(this).attr("data-img");
        $(".photo").css({ "background-image": "url(" + dataImg + ")" });
      });
      $(".navi li").mouseleave(function () {
        $(".photo").css({ "background-image": ''});
      });
    </script>
  </body>
</html>

안녕하세요~

html과 css 파일 코드 올립니다.

감사합니다~

@charset 'utf-8';

/* Fontawesome 4.7 */
@import url("https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css");

@import url("https://fonts.googleapis.com/css2?family=Monoton&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Montserrat&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Raleway&display=swap");

body {
    margin: 0;
    font-family: 'Raleway', sans-serif;
    /* background-color: #000; */
}

ul{list-style: none; padding: 0; margin: 0;}

.navi{}
.navi {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
}
.navi li{}
.navi li a{
    font-size: 4em;
    /* font-weight: bold; */
    text-decoration: none;
    color: #fff;
    position: relative;
}

.navi li a::after{
    content: attr(data-txt);
    position: absolute;
    color: blueviolet;
    top: 0;
    left: 0;
    width: 0;
    overflow: hidden;
    transition: 0.5s;
    z-index: 10;
}

.navi li a:hover:after{
    width: 100%;
}

.photo{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-image: url(./images/portrait-initial.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    transition: 0.5s;
}

인프런 커뮤니티 질문&답변