body {
    display: flex;
    height: 100vh;
}


.container-fluid {
    padding: 0;
    background-color: #000;
}

.btn-group {
    width: 100%;
    align-content: center;

}

.btn {
    border-radius: 0;
    font-size: 4vmin;
    font-weight: 650;
}

.btn-secondary {
    background-color: #00AAFF;
    border-color: #00FFFF;
    width:33%;
}

.btn-secondary:hover {
    background-color: #00AAFF;
    border-color: #00FFFF;
    width:33%;
}

.btn-check:active+.btn-secondary, .btn-check:checked+.btn-secondary, .btn-secondary.active, .btn-secondary:active, .show>.btn-secondary.dropdown-toggle {
    color: #fff;
    background-color: #CC0000;
    border-color: #FF00FF;
}

.btn-highlight-border {
    border-width: 20px;
}

/* #inputSource {
    display:block;
} */

#keySwitch {
    display:none;
}

#lower {
    flex: 1 1 auto;
    background-color: #000;
    min-height: 100%;
    width: 100%;
}


/*
#camera1 {
    display:block;
}

#camera2 {
    display:block;
} */

h2 {
    text-align: center;
    background-color: #000;
    color: #fff;
    margin-top: 0vh;
    margin-bottom: 0vh;
    font-size: 6vw;
    font-weight: 700;
}
h3 {
    text-align: center;
    background-color: #444;
    color: #fff;
    margin-top: 0vh;
    margin-bottom: 0vh;
    font-size: 5vw;
    font-weight: 600;
}