betaflight-configurator/tabs/receiver_msp.css

body {
    font-family: 'Segoe UI', Tahoma, sans-serif;
    font-size: 12px;
    color: #303030;
    margin: 10px;
}

.control-gimbals {
    /* A generous padding around the window edges ensures that we continue to receive mousemove events (since 
     * cursor stays in the window for longer)
     */
    padding: 25px;
    padding-bottom: 0;
    text-align: center;
}

.control-gimbal {
    position: relative;
    width: 120px;
    height: 120px;
    background-color: #eee;
    margin-left: 1em;
    margin-right: 1em;
    margin-bottom: 2em;
    display: inline-block;
    border-radius: 5px;
    cursor: pointer;
}

.crosshair {
    display: block;
    position: absolute;
    background-color: #ddd;
}

.crosshair-vert {
    width: 1px;
    height: 100%;
    left: 50%;
}

.crosshair-horz {
    height: 1px;
    width: 100%;
    top: 50%;
}

.gimbal-label {
    display: block;
    position: absolute;
    text-align: center;
}

.gimbal-label-horz {
    top: calc(100% + 0.5em);
    width: 100%;
}

.gimbal-label-vert {
    transform: rotate(-90deg);
    /*transform-origin:0% 100%;*/
    top: calc(50% - 0.5em);
    width: 100%;
    left: calc(-50% - 1em);
}

.control-stick {
    background-color: rgba(255, 50, 50, 1.0);
    width: 20px;
    height: 20px;
    margin-left: -10px;
    margin-top: -10px;
    display: block;
    border-radius: 100%;
    position: absolute;
    cursor: pointer;
}

.control-slider {
    margin: 20px;
}

.tooltip {
    position: absolute;
    left: calc(100% + 24px);
    top: 0;
}

.control-slider .slider {
    margin-left: 50px;
    margin-right: 50px;
}

.slider-label {
    position: absolute;
    text-align: right;
    width: 40px;
    left: -65px;
}

.button-enable {
    padding: 0.5em;
    font-size: 110%;
    margin-left: auto;
    margin-right: auto;
    display: block;
}