Java-Thymeleaf-HTML:使用开关大小写的彩色字母:不需要的段落/换行符

我正在研究一个由基因、蛋白质和分析组成的生物数据库。使用SpringBoot和Thymeleaf,我想建立一个web可视化。每个基因都显示在一页上,上面有名称、描述和序列。序列由字母A、T、G和C组成。我想给这些字母(作品)上色。但是,每个字母都写在一个新的行中,而不是一直写到行满(然后写到下一行等等)。在gene.html中,我在定义颜色时使用了small标记(之前尝试过p,尽管这是我出现问题的原因),但使用small没有帮助。

我希望,我提供的代码片段足够了(如果没有,请告诉我您需要什么)

gene.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://thymeleaf.org">
<head>
    <title>Gene</title>
    <meta http-equiv="Content-Type" content="content/html; charset=UTF-8">
</head>

<body>
<!--import header-->
<header th:include="header"></header>

    <div id="main">
        <!--GeneID as page heading -->
        <h2 th:text="'Gene: '+${identifier}"></h2>
        <!--Gene description -->
        <p th:text="${description}"></p>
        <br/>
        <!-- Sequence -->
        <h3 th:text="'Sequence:'"></h3>
        <!-- For each char in sequence-->
        <th:block th:each="char:${sequence}">
            <!--Print the char. Possibility to color encode the bases utilizing switch/case
            <small th:text="${char}"></small> -->
            <div th:switch="${char}">
                <div th:case="'A'">
                    <small  style="color: blue" th:text="${char}"></small>
                </div>
                <div th:case="'T'">
                    <small  style="color: yellow" th:text="${char}"></small>
                </div>
                <div th:case="'C'">
                    <small  style="color: forestgreen" th:text="${char}"></small>
                </div>
                <div th:case="'G'">
                    <small  style="color: red" th:text="${char}"></small>
                </div>
            </div>

        </th:block>

        <br/>
        <br/>
        <!--Protein encoded by gene -->
        <h3>Protein:</h3>
        <a th:href="${'protein?id='+protein}" th:text="${protein}"></a>
    </div>

</body>
</html>

GeneController.java

package gui.spring.controller;

import db.sample.Gene;
import db.sample.Protein;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

import java.util.Optional;
import static main.Main.query;

/**
 * @author Miriam Mueller
 * @since 05-12-2018
 * @version 1.0
 * Class to handle view of one Gene. Gene name, description and sequence are shown. The encoded protein is linked.
 */
@Controller
public class GeneController {
    //All calls of localhost:8080/gene get to this controller
    @RequestMapping(value = "/gene", method = RequestMethod.GET)
    public String einGenAnzeigen(Model model, @RequestParam(value="id") String id) {

        model.addAttribute("geneSize",query.getGenes().size());
        model.addAttribute("proteinSize",query.getProteins().size());
        model.addAttribute("assaySize",query.getAssays().size());
        Optional<Gene> gene = query.getGeneByName(id);

        if(gene.isPresent()) {
            // if gene exists
            String description = gene.get().getDesc();
            String[] arraySeq = gene.get().getSequence().split("(?!^)");
            Protein protein = query.getGeneByName(id).get().getProtein();
            model.addAttribute("identifier", gene.get().getIdentifier()); //GenID
            model.addAttribute("sequence",arraySeq); //gene sequence
            model.addAttribute("description",description); //description
            model.addAttribute("protein",protein.getIdentifier()); //encoded protein
        }else{
            // error messages, if no gene with called id exists
            model.addAttribute("gene", "There is no Gene with this ID.");
            model.addAttribute("protein","There is no Gene with this ID.Therefore, no reference protein was found.");
            model.addAttribute("sequence","");
            model.addAttribute("description","");
        }

        // name of html-template
        return "gene";
    }
}

感谢您的时间和努力:)