body{
    margin: 0;
    background-color: rgb(255, 255, 255);
}
#startbtn{

border-radius: 10px;
font-size: 35px;
background-color: rgb(0, 0, 0);
color: chartreuse;
}
video{
    position: fixed;
    width: 100%;
    height: 100%;  
    object-fit: cover; 
    filter:brightness(1.1)contrast(1.1);
}
#controls{
    position: fixed;
    top: 0px;
    left: 40%;
    display: flex;
    gap: 15px;
    align-items: center;}
    #resetbtn{
background-color: rgb(0, 0, 0);
padding: 5px;
border: 10x solid rgb(255, 255, 255);
border-radius: 10px;
font-size: medium;
color: chartreuse;
}
    #stopbtn{
    background-color: rgb(0, 0, 0);
padding: 5px;
border: 10x solid rgb(255, 255, 255);
border-radius: 10px;
font-size: medium;
color:chartreuse;
}
.hidden{
    display: none;
}
#canvas{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}