img {
  display: inline-block;
    width: 75%;
    height: auto;
    padding: 4px;
    background-color: #fff;
    border: 1px solid #ddd;
    -webkit-transition: all .2s ease-in-out;
    -o-transition: all .2s ease-in-out;
    transition: all .2s ease-in-out;
    margin: 70px;
    align-self: center;
}
table{
  display: inline-block;
  padding: 20px;
  align-self: center;
}
mark{
    background-color: #ffffff;
}
form{
  padding-left: 50px;
  padding-top: 20px;
}


video {
  vertical-align: top;
  --width: 30vw;
  width: var(--width);
  height: calc(var(--width) * 0.55);
}

video:last-of-type {
  margin: 50px 0 20px 0;
}

video#gumVideo {
  margin: 0 20px 20px 0;
}
canvas{
  position: absolute;
  top: 0;
  left: 0;
  z-index:1
  }
img.animated-gif{
  width: 100px;
  height: 50px;
}

html input[type=button] {
    -webkit-appearance: button;
    cursor: pointer;
    padding: 6px;
}
html input[type=text] {
    width: 50%;
    display: inline-block;
    padding: 10px;
}
#authentication {
    width: 50%;
    display: inline-block;
    padding: 10px;
}
.form-horizontal{
  margin-right: 100px;
}
#logout{
  cursor: pointer;
}
#heading{
  text-align: center;
}
#user{
  color: #ffffff;
}
#product_image{
  width:60%;
}

#progress_bar {
  width: 30%;
  background-color: #ddd;
  margin: 40px 0;
}

#message_container1, #message_container2
{
  display: none;
  position : fixed;
  vertical-align: center;
  align-items: center;
  top: 280px;
  left: 450px;
  z-index: 1;
  height:400px;
  width: 400px;
}
.bs-example{
    margin: 20px;
  }