#tut {
    display: none;
    position: fixed;
    width: 75%;
    height: 75%;
    z-index: 3;
    text-align: center;
    transition: background-color 1s;
    margin-left:10% ;

}

#tut img {
    margin-top: 20vh;
    max-width: 80%;
}

h2 {
    color: aliceblue;
}
body {
    display:block;
    width: 100%;
    height: 100%;
    overflow: hidden;
    color:#ffffff;
    position: absolute;
    margin:auto; 
    
    
}

#c1 
{
    border: 1px dashed red;
    position: absolute;
    z-index: 1;
    
}

#timediv
{
    position: relative;
    margin-left:5%;
    z-index: 2;
}
#pointsdiv
{
    position: relative;
    margin-top: 35%;
    margin-left:5%;
    z-index: 2;
}
.popup {
display: none;
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.7);
z-index: 1;
}

.popup-content {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
padding: 20px;
background: rgb(79, 211, 149);
text-align: center;
border: 1px solid #ccc;
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.buttons {
display: flex;
justify-content: space-between;
align-items: center;
padding-top: 20px;
}

#close-popup-button {
background: #ff0000;
color: #fff;
border: none;
padding: 10px 20px;
cursor: pointer;
}