.body{
    background-color: rgb(35, 35, 35);
    transition: background-color 0.3s;
}
.bodyAlert{
    background-color: red;
    transition: background-color 0.3s;
}

video{
    display: block;
    margin: 0 auto;
    width: 533px;
    height: 300px;
    transition: all 0.3s;
}

.Button{
    display: block;
    margin: 30px auto;
    width: 100px;
    text-decoration: none;
    background-color: blue;
    border-radius: 25px;
    color: white;
    text-align: center;
    padding: 10px;
    transition: all 0.3s;
}
.Button:hover{
    background-color: darkblue;
    cursor: default;
}
.Button:active{
    background-color: black;
    cursor: default;
}
.selecteFileInput{
    width: 140px;
    height: 30px;
    display: block;
    margin: 30px auto;
}

.text{
    text-align: center;
    color: red;
}

@media screen and (max-width: 560px){
    video{
        display: block;
        margin: 0 auto;
        width: 355px;
        height: 200px;
        transition: all 0.3s;
  }
}