Actualización

src/main/java/com/jorgemoncadas/webClubBalonmano/config/AttributeEncryptor.java

@@ -44,7 +44,7 @@ public class AttributeEncryptor implements AttributeConverter<String, String> {
 
     @Override
     public String convertToEntityAttribute(String dbData) {
-    	String[] data = dbData.split(" ");
+    	String[] data = dbData.split(" "); //Con esto eliminamos los espacios al final de un dato 
         try {
             cipher.init(Cipher.DECRYPT_MODE, key);
             return new String(cipher.doFinal(Base64.getDecoder().decode(data[0])));

src/main/resources/static/styles/detalleEditar.css

@@ -51,6 +51,7 @@ h4 {
 	
 	font-size: 1.2em;
 	padding: 3px 2px;
+	width: 95%;
 }
 
 .contenedor-input select{