Question

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Visualización</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- Bootstrap CSS -->
    <link rel="stylesheet"
        href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
        integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T"
        crossorigin="anonymous">
    <link href="https://fonts.googleapis.com/css?family=Concert+One" rel="stylesheet">
    <style>
        body {
            background-color: #000000;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 1600 800'%3E%3Cg %3E%3Cpolygon fill='%23220000' points='1600 160 0 460 0 350 1600 50'/%3E%3Cpolygon fill='%23440000' points='1600 260 0 560 0 450 1600 150'/%3E%3Cpolygon fill='%23660000' points='1600 360 0 660 0 550 1600 250'/%3E%3Cpolygon fill='%23880000' points='1600 460 0 760 0 650 1600 350'/%3E%3Cpolygon fill='%23A00' points='1600 800 0 800 0 750 1600 450'/%3E%3C/g%3E%3C/svg%3E");
            background-attachment: fixed;
            background-size: cover;
            font-family: 'Concert One', cursive;
        }
    </style>
</head>
<body>
    <?php
        $conexion = mysqli_connect("localhost", "root", "", "weather_station")
        or die("Problemas de conexión");
    ?>
    <div class="container" style="background-color: rgb(255,255,255, 0.5)">
        <!-- 
            ############################
                      NAVBAR 
            ############################
        -->
        <nav class="navbar navbar-expand-lg navbar-light bg-light navbar-dark bg-dark">
            <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarTogglerDemo03" aria-controls="navbarTogglerDemo03" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
            </button>
            <a class="navbar-brand" href="file1.php">Inicio</a>

            <div class="collapse navbar-collapse" id="navbarTogglerDemo03">
                <ul class="navbar-nav mr-auto mt-2 mt-lg-0">
                <li class="nav-item active">
                    <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">Link</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link disabled" href="#">Disabled</a>
                </li>
                </ul>
                <form class="form-inline my-2 my-lg-0">
                <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
                <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
                </form>
            </div>
        </nav>
        <!-- 
            ############################
                     FIN NAVBAR 
            ############################
        -->

        <h1 class="display-1 text-center">Estación Meteorológica</h1>

        <!-- 
            ############################
                     FORMULARIO 
            ############################
        -->
        <form action="file1.php">
            <div class="row">
                <div class="col">

                    <!-- LÍNEA DE FECHA DESDE -->
                    <div class="row" style="background-color: yellow">
                        <div class="col text-center">
                            <div class="row">
                                <label for="fechadesde">Fecha desde:</label>
                            </div>
                        </div>
                        <div class="col">
                            <div class="row">
                                <input type="date" class="form-control form-control-lg" name="fechadesde" id="fechadesde">
                            </div>
                        </div>
                    </div>

                    <!-- LÍNEA DE FECHA HASTA -->

                    <div class="row" style="background-color: blue">
                        <div class="col">
                            <div class="row">
                                <label for="fechahasta">Fecha hasta:</label>
                            </div>
                        </div>
                        <div class="col">
                            <div class="row">
                                <input type="date" class="form-control form-control-lg" name="fechahasta" id="fechahasta">
                            </div>
                        </div>
                    </div>

                    <!-- LÍNEA DE TIPO DE MEDIDA -->

                    <div class="row" style="background-color: brown">
                        <div class="col">
                            <div class="row">
                                <label for="tipome">Tipo Medida:</label>
                            </div>
                        </div>
                        <div class="col">
                            <div class="row">
                                <select class="form-control form-control-lg" name="tipome" id="tipome">
                                    <?php
                                        $tipos = mysqli_query($conexion, "SELECT * FROM variables")
                                            or die("Problemas en la consulta: ".mysqli_error($conexion));

                                        while ($reg = mysqli_fetch_array($tipos)) {
                                            echo "<option value='$reg[id]'>$reg[desc]</option>";
                                        }
                                    ?>
                                </select>
                            </div>
                        </div>
                    </div>

                    <!-- LÍNEA DE VALOR DE MEDIDA -->

                    <div class="row" style="background-color: magenta">
                        <div class="col">
                            <div class="row">
                                <label for="valor">Valor Medida:</label>
                            </div>
                        </div>
                        <div class="col">
                            <div class="row">
                                <input type="range" class="form-control form-control-lg" name="valorme" id="valor">
                            </div>
                        </div> 
                    </div>

                </div>

                <!-- BOTÓN BUSCAR -->

                <div class="col">
                    <div class="row" style="height:100%;">
                        <button type="submit" class="btn btn-primary btn-block"><img src="search.png" alt="Buscar" style="height:100%;width:30%"></button>
                    </div>
                </div>
            </div>
        </form>
        <!-- 
            ############################
                   FIN FORMULARIO 
            ############################
        -->

        <!-- 
            ############################
                    MOSTRAR DATOS 
            ############################
        -->

        <table class="table table-striped table-dark text-center">
            <thead>
                <tr>
                    <th scope="col">Fecha</th>
                    <th scope="col">Tipo</th>
                    <th scope="col">Valor</th>
                    <th scope="col">Unidad Medida</th>
                    <th scope="col">Sensor</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <th scope="row">1</th>
                    <td>Mark</td>
                    <td>Otto</td>
                    <td>@mdo</td>
                    <td>@mdo</td>
                </tr>
            </tbody>
        </table>


        <button type="button" class="btn btn-danger btn-block">Restablecer</button>
    </div>






    <!-- Optional JavaScript -->
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"
        integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
        crossorigin="anonymous"></script>
    <script
        src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"
        integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1"
        crossorigin="anonymous"></script>
    <script
        src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"
        integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM"
        crossorigin="anonymous"></script>
</body>
</html>

那是我的代码，这是结果的屏幕截图。我想主要问两点：

如何通过引导使标签居中并使字体变大？我想对右侧输入（日期输入，选择...）上的文本进行相同操作
我想用引导程序分开标题，查询形式和表格。我不想分离像素，我想要响应分离，例如...带有百分比。最后一件事...我该如何更改顶部搜索按钮的颜色？（绿色的）
非常感谢

我如何才能使标签居中并通过引导程序以及网格结构内的表单使字体变大

0 个答案: