Final commit

src/main/java/com/game/config/WebConfig.java

@@ -36,6 +36,7 @@ public void setApplicationContext(@Autowired ApplicationContext applicationConte
     public ThymeleafViewResolver viewResolver() {
         ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
         viewResolver.setTemplateEngine(templateEngine());
+        viewResolver.setCharacterEncoding("UTF-8");
         return viewResolver;
     }
 
@@ -59,6 +60,7 @@ public SpringResourceTemplateResolver templateResolver() {
         templateResolver.setSuffix(".html");
         templateResolver.setTemplateMode(TemplateMode.HTML);
         templateResolver.setCacheable(false);
+        templateResolver.setCharacterEncoding("UTF-8");
         return templateResolver;
     }
 

src/main/webapp/css/my.css

@@ -0,0 +1,158 @@
+/* ID */
+#pagination {
+    display: flex;
+    align-items: center;
+    justify-content: left;
+    margin-top: 0.5em;
+}
+
+/* TAGS */
+table {
+    border: 2px solid gray;
+    width: auto;
+    align-items: center;
+}
+
+td, th {
+    border: 1px solid gray;
+    padding: 10px;
+    text-align: left;
+}
+
+/* Classes */
+.btn {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    padding: 0.2em 0.5em;
+    margin: 0.1em;
+    border: 1px solid #9CA3AF;
+    border-radius: 8px;
+    background: #D1D5DB;
+    color: #111827;
+    font: inherit;
+    cursor: pointer;
+    width: fit-content;
+    white-space: nowrap;
+    transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
+}
+
+.btn.active {
+    color: red;
+    background: #D1D5DB;
+    border: 2px solid #9CA3AF;
+    font-weight: 600;
+}
+
+.btn.active:hover {
+    background: #BCC5CC;
+    border-color: #78716C;
+}
+
+.btn:hover {
+    background: #BCC5CC;
+    border-color: #8A939C;
+}
+
+.dropdown-list {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+    padding: 4px;
+    width: 200px;
+    height: 34px;
+    background: #FFFFFF;
+    border: 1px solid black;
+    border-radius: 4px;
+    box-sizing: border-box;
+    font-size: 13px;
+    margin-bottom: 5px;
+}
+
+.hidden {
+    display: none;
+}
+
+.inline-edit-input {
+    width: 100%;
+    padding: 4px 6px;
+    margin: 0;
+    border: 1px solid #9CA3AF;
+    border-radius: 4px;
+    font-size: inherit;
+    font-family: inherit;
+    box-sizing: border-box;
+    background: #fff;
+}
+
+.inline-edit-input[type="checkbox"] {
+    width: auto;
+    border: none;
+    background: none;
+    padding: 0;
+    justify-content: center;
+    display: block;
+    margin: 0 auto;
+}
+
+h3 {
+    margin: 0 0 1em 0;
+    font-size: 1.1em;
+}
+
+/* Create from */
+.create-form {
+    display: grid;
+    grid-template-columns: max-content 1fr;
+    gap: 0.8em 1em;
+    align-items: start;
+    width: 30%;
+}
+
+.form-field {
+    display: contents;
+}
+
+.form-field label {
+    grid-column: 1;
+    text-align: right;
+    font-size: 0.9em;
+    font-weight: 500;
+    color: #374151;
+    white-space: nowrap;
+}
+
+.form-field input {
+    grid-column: 2;
+    width: 100%;
+}
+
+/* Messages under form */
+#create-message {
+    padding: 0.5em 1em;
+    border-radius: 4px;
+    font-weight: 500;
+}
+
+#create-message.success {
+    background: #d1fae5;
+    color: #065f46;
+    border: 1px solid #a7f3d0;
+}
+
+#create-message.error {
+    background: #fee2e2;
+    color: #991b1b;
+    border: 1px solid #fecaca;
+}
+
+.error-list {
+    margin: 0.5em 0;
+    padding-left: 1.2em;
+    list-style-type: disc;
+}
+
+.error-list li {
+    margin-bottom: 0.2em;
+}