html, body {
    margin: 0;
    padding: 0;
    /* width: 100%;
    height: 100%; */
    font-family: monospace;
    overflow: hidden;
    font-family: 'Kufam', cursive;
}

body {
    margin: 10px;
}

.info h1 {
    margin: 0;
}

.info-device {
    margin: 0;
    display: flex;
    align-items: center;
}

.info-device i {
    font-size: 18px;
}

.connection {
    display: flex;
    align-items: flex-start;
    color: #c32222;
}

.connection:after {
    display: block;
    content: "DISCONNECTED";
}

.connected .connection:after {
    display: block;
    content: "CONNECTED";
}

.connected .connection {
    color: #008000;
}

.connection-status {
    text-transform: uppercase;
}

.battery {
    display: none;
    margin-left: 5px;
    /* display: flex; */
    align-items: start;
    color: #4a4a4a;
}

.connected .battery {
    display: flex;
}

.arm {
    display: none;
    margin-left: 5px;
    /* display: flex; */
    align-items: start;
    color: #c32222;
}

.arm:after {
    content: 'DISARMED';
    display: block;
}

.armed .arm:after {
    content: 'ARMED';
    display: block;
}

.connected .arm {
    display: flex;
}

.armed .arm {
    color: #008000;
}

.ping {
    display: none;
}

.connected .ping {
    display: block;
    margin-left: 5px;
    color: #4a4a4a;
}

.ping i {
    -webkit-animation: ping-fade-out 2s forwards; /* Safari 4+ */
    -moz-animation:    ping-fade-out 2s forwards; /* Fx 2+ */
    -o-animation:      ping-fade-out 2s forwards; /* Opera 12+ */
    animation:         ping-fade-out 2s forwards; /* IE 10+, Fx 29+ */
}

@-webkit-keyframes ping-fade-out {
  0%   { opacity: 1; }
  100% { opacity: 0; }
}

.options {
    position: absolute;
    display: flex;
    bottom: 60px;
    right: 60px;
    flex-direction:column-reverse;
}

.options button {
    display: none;
    margin-top: 5px;
    border: 1px solid black;
    background-color: #b5b5b5;
    padding: 10px;
    width: 120px;
}

.armed .options button {
    display: block;
}

#btn_connect { display: block; }
.connected #btn_connect { display: none; }
.connected #btn_disconnect { display: block; }
.connected #btn_arm { display: block; }
.armed #btn_arm { display: none; }

.throttle {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 40px;
    height: calc(100% - 70px);

    margin: 0;

    background-color: #b5b5b5;
    border: 1px solid black;
}

.throttle-thumb {
    width: 40px;
    height: 1%;
    position: absolute;
    bottom: 0;
    background-color: green;
}

.throttle-indicator {
    position: absolute;
    width: 40px;
    height: 0px;
    bottom: 0;
    /* border: 4px solid black; */
}

.throttle-indicator:before {
    content: " ";
    background-color: black;
    width: 20px;
    height: 1px;
    position: absolute;
    left: 0;
}

.throttle-indicator:after {
    content: " ";
    background-color: black;
    width: 20px;
    height: 1px;
    position: absolute;
    right: 0;
}

.rudder {
    position: absolute;
    bottom: 10px;
    left: 10px;
    width: calc(100% - 70px);
    height: 40px;
    margin: 0;
    background-color: #b5b5b5;
    border: 1px solid black;
}

.rudder-labels {
    position: absolute;
}

.rudder-thumb {
    position: absolute;
    bottom: 0;
    left: 50%;
    height: 40px;
    background-color: yellow;
}

.rudder-indicator {
    position: absolute;
    width: 0px;
    height: 40px;
    left: 50%;
    bottom: 0;
}

.rudder-indicator:before {
    content: " ";
    background-color: black;
    width: 1px;
    height: 20px;
    position: absolute;
    top: 0;
}

.rudder-indicator:after {
    content: " ";
    background-color: black;
    width: 1px;
    height: 20px;
    position: absolute;
    bottom: 0;
}