*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}



h3{
    font-size: 32px;
    color: #2c3e50;
    margin: 50px 0;
    text-align: center;
    padding: 0 20px;
}

.container-camera{
    max-width: 1000px;
	min-width: 640px;
    margin: 50px auto;
    padding: 20px;
    background-color: #efefef;
}

.app{
    width: 100%;
    position: relative;
}

.app #start-camera{
    display: none;
    border-radius: 3px;
    max-width: 400px;
    color: #fff;
    background-color: #448AFF;
    text-decoration: none;
    padding: 15px;
    opacity: 0.8;
    margin: 50px auto;
    text-align: center;
}

.app video#camera-stream{
    display: none;
    width: 100%;
}

.app img#snap{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
    display: none;
}

.app #error-message{
    width: 100%;
    background-color: #ccc;
    color: #9b9b9b;
    font-size: 28px;
    padding: 200px 100px;
    text-align: center;
    display: none;
}

.app .controls{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 20;

    display: -webkit-flex;
    display: flex;
    -webkit-align-items: flex-end;
    align-items: flex-end;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    padding: 30px;
    display: none;
}

.app .controls a{
    border-radius: 50%;
    color: #fff;
    background-color: #111;
    text-decoration: none;
    padding: 15px;
    line-height: 0;
    opacity: 0.7;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.app .controls a:hover{
    opacity: 1;
}

.app .controls a.disabled{
    background-color: #555;
    opacity: 0.5;
    cursor: default;
    pointer-events: none;
}

.app .controls a.disabled:hover{
    opacity: 0.5;
}

.app .controls a i{
    font-size: 18px;
}

.app .controls #take-photo i{
    font-size: 32px;
}

.app canvas{
    display: none;
}

.app video#camera-stream.visible,
.app img#snap.visible,
.app #error-message.visible
{
    display: block;
}

.app .controls.visible{
    display: -webkit-flex;
    display: flex;
}



@media(max-width: 1000px){
    .container-camera{
        margin: 40px;
    }

    .app #start-camera.visible{
        display: block;
    }

    .app .controls a i{
        font-size: 16px;
    }

    .app .controls #take-photo i{
        font-size: 24px;
    }
}


@media(max-width: 600px){
    .container-camera{
        margin: 10px;
    }

    .app #error-message{
        padding: 80px 50px;
        font-size: 18px;
    }

    .app .controls a i{
        font-size: 12px;
    }

    .app .controls #take-photo i{
        font-size: 18px;
    }
}