betaflight-configurator/tabs/initial_setup.html

<div class="tab-initial_setup">
    <div class="section">
        <a class="calibrateAccel" href="#">Calibrate Accelerometer</a>
        <p>
            Place frame on a <strong style="color: green;">level</strong> surface, proceed with calibration, ensure it is <strong style="color: red;">not</strong> moving during this period.
        </p>
    </div>
    <div class="section">
        <a class="calibrateMag" href="#">Calibrate Magnetometer</a>
        <p>
            Click the button, move multirotor atleast <strong>360</strong> degrees on all axis of rotation. <br />
            You have <strong style="color: red;">30 seconds</strong> to perform this task.
        </p>
    </div>
    <div class="section">
        <a class="resetSettings" href="#">Reset Settings</a>
        <p>
            Reset <span style="color: red">all</span> settings to <strong>default</strong>
        </p>
    </div>
    <div class="section">
        <a class="backup" href="#">Backup</a>
        <a class="restore" href="#">Restore</a>
        <p>
            <strong>Backup</strong> your configuration in case of an accident. (<strong>CLI</strong> settings <strong style="color: red;">not</strong> included)
        </p>
    </div>
    <div id="interactive_block">
        <span class="model"></span>
        <a class="reset" href="#" title="Reset Z">Reset Z axis</a>
        <div id="perspective">
            <div id="cube">
                <div id="cubePITCH">
                    <div id="cubeROLL">
                        <div class="face one">BOTTOM</div>
                        <div class="face two">BACK</div>
                        <div class="face three">RIGHT</div>
                        <div class="face four">FRONT</div>
                        <div class="face five">LEFT</div>
                        <div class="face six">TOP</div>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="battery">
        <span class="head">Battery</span>
        <div class="fields">
            Voltage: <span class="bat-voltage">0 V</span>
        </div>
    </div>
    <div class="acc-trim">
        <span class="head">Accelerometer trims</span>
        <div class="fields">
            <dl>
                <dt>Pitch:</dt><dd><input type="number" name="pitch" value="0" /></dd>
                <dt>Roll:</dt><dd><input type="number" name="roll" value="0" /></dd>
            </dl>
            <a class="update" href="#">Save</a>
        </div>
    </div>
    <div class="compass-wrapper">
        <div id="compass">
            <span>N</span>
            <span>E</span>
            <span>S</span>
            <span>W</span>
            <div class="pointer">
                <span class="tip"></span>
                <span class="stick"></span>
            </div>
            <div class="value"></div>
        </div>
    </div>
</div>