body {
    color: #000; 
    background-color: #c4c4c4;
    font-family: "Arial", sans-serif;
}

/* 헤더 */
.Header {
    background-color: #008080; 
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); 
}

.Header-title h1 {
    margin: 0;
    color: #fff; 
}

/* 내비게이션 */
.Nav {
    margin-top: 20px;
}

.Nav-list {
    list-style-type: none;
    padding: 0;
}

.Nav-item {
    display: inline-block;
    margin-right: 20px;
}

.Nav-link {
    color: #dadada;
    text-decoration: none;
}


/* 페이지 내용 */
.Page {
    background-color: #fff; 
    padding: 20px;
    margin: 20px;
    border: 1px solid #000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.Page-header h1 {
    margin-top: 0;
}

/* 포스트 목록 */
.PostList {
    list-style-type: none;
    padding: 0;
}

.PostList-item {
    background-color: #f0f0f0; 
    margin-bottom: 10px;
    padding: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); 
}

.PostList-title {
    margin: 0;
    font-size: 18px;
}

.PostList-link {
    color: #000; 
    text-decoration: none;
}

.PostList-link:visited {
    color: #000000;
    text-decoration: none;
}

/* 푸터 */
.Footer {
    background-color: #008080; 
    padding: 20px;
    margin-top: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.StudentNav {
    list-style-type: none;
    padding: 0;
}

.StudentNav a {
    display: inline-block;
    margin-right: 10px;
}

.StudentNav img {
    vertical-align: middle;
}