Edit in JSFiddle

<nav class="go-back">
    <a href="#">이전화면</a>
    <a href="#">목록으로</a>
</nav>

/* 돌아가기 네비게이션 */
nav.go-back {
    margin: 20px 0;
    text-align: center;
}

nav.go-back a,
nav.go-back a:visited {
    padding: 12px;
    background-color: #212121;
    border-radius: 3px;
    color: #fff;
    font-size: 12px;
    text-decoration: none;
}

nav.go-back a:hover {
    background-color: #ff6600;
}