.webrtc{
    display: none;
}
.webrtc.active{
    display: block;
}
.webrtc, .activeCam{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: black;
}
.activeCam video{
    position: absolute;
    width: 100%;
    height: 100%;
}

/*CSS size for 2 - 3 elements*/
video:nth-child(1):nth-last-child(3),
video:nth-child(2):nth-last-child(2),
video:nth-child(3):nth-last-child(1),
video:nth-child(1):nth-last-child(2),
video:nth-child(2):nth-last-child(1){
    width: 50%;
}
video:nth-child(1):nth-last-child(3),
video:nth-child(2):nth-last-child(2),
video:nth-child(3):nth-last-child(1){
    height: 50%;
}

/*CSS position for 2 elements*/
video:nth-child(1):nth-last-child(2){
    left: 0;
}
video:nth-child(2):nth-last-child(1){
    left: 50%;
}

/*CSS position for 3 elements*/
video:nth-child(1):nth-last-child(3){
    top: 0;
    left: 0;
}
video:nth-child(2):nth-last-child(2){
    top: 0;
    left: 50%;
}
video:nth-child(3):nth-last-child(1) {
    top: 50%;
    left: 25%;
}

.myCam{
    height: 200px;
    width: 300px;
    position: absolute;
    right: 10px;
    background: black;
    border: none;
    bottom: 20px;
    max-height: 17%;
    max-width: 17%;
    opacity: 1;
    display: block;
    transition: opacity 1s;
}
.myCam video{
    width: 100%;
    height: 100%;
}
.btn-cam-action div{
    cursor: pointer;
    position: absolute;
    border: solid 0px black;
    width: 64px;
    height: 64px;
    background: #666;
    left: 6vw;
    box-shadow: 2px 2px 24px #444;
    border-radius: 48px;
    transform: translateX(calc(-6vw - 96px));
    transition-timing-function: ease-in-out;
}
.webrtc:hover .btn-cam-action.active div{
    transform: translateX(0);
}
.btn-cam-action div:hover{
    background: #407cf7;
    box-shadow: 4px 4px 48px #666;
    transition: 280ms;
}
.btn-micro{
    bottom: 277px;
    transition: all .3s;
}
.btn-video{
    bottom: 177px;
    transition: all .2s;
}
.btn-call{
    bottom: 77px;
    transition: all .1s;
}
.btn-cam-action div img{
    height: 32px;
    width: 40px;
    top: calc(48px - 32px);
    left: calc(48px - 35px);
    position: relative;
}