feat: create Header.module.css

Header.module.css

+@import url(//spoqa.github.io/spoqa-han-sans/css/SpoqaHanSansNeo.css);
+header {
+  background-color: white;
+  color: black;
+  padding: 1em;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  border-bottom: 2px solid #ddd;
+  font-weight: bold;
+  position: sticky;
+  top: 0;
+  
+}
+
+.header_logo img {
+  height: 80px; /* 이미지 높이 조절 */
+  margin-left: 20px;
+  margin-right:35px;
+}
+.header_nav {
+  margin-top: 3px;
+  display: flex; /* 로고와 네비게이션을 한 행에 배치하기 위해 추가 */
+
+}
+
+.header_nav ul {
+  list-style: none;
+  display: flex;
+}
+.header_content {
+  display: flex;
+  align-items: center;
+  width: 100%;
+}
+.header_nav li :first-child{
+  margin-left: 18px;
+}
+
+.header_nav li {
+  font-size: 18px;
+  margin-top: 10px;
+  
+}
+.header_nav li:not(:last-child) {
+  margin-right: 130px;
+  
+}
+
+.header_nav a {
+  text-decoration: none;
+  color: black;
+  
+}
+
+.header_nav li:last-child a img {
+  height: 30px; 
+  width: auto; 
+  margin-top: 0px; 
+  margin-right: 28px;
+  margin-left: 0px;
+}
+