body{
    background-color: black;
    text-align: center;
    display: flex;
    justify-content: center;
}
#btn-play{
    width: 100px;
    height: 50px;
    margin: 47.5vh auto;
    position: absolute;
    z-index: 2;
    font-size: xx-large;
    background-color: white;
    color: #E45651;
    font-weight: 800;

}
#maindiv{
    margin: auto;
    /* text-align: center; */
    display: flex;
    justify-content: center;
    visibility: hidden;
    
    /* vertical-align: middle; */
    /* display: none; */
}
#Dline1{
    z-index: 5;
    margin: auto;
    position: absolute;
    /* top: 45%; */
    margin-top: 336.5px;
    /* margin-bottom: 269px; */
    visibility: hidden;
    
}
#Dline2{
    z-index: 10;
    margin: auto;
    position: absolute;
    /* top: 40%; */
    margin-top: 269px;
    /* margin-bottom: 36vh; */
    visibility: hidden;
}
#o1{
    z-index: 12;
    margin: auto;
    position: absolute;
    visibility: hidden;
    /* top: 38%; */
    /* left: 51%; */
    margin-top: 275px;
    margin-left: 70px;
}
#o2{
    z-index: 13;
    margin: auto;
    position: absolute;
    visibility: hidden;
    margin-top: 410px;
    margin-left: -80px;
}
#x1{
    z-index: 14;
    margin: auto;
    position: absolute;
    visibility: hidden;
    margin-top: 310px;
    margin-left: -110px;
}
#x2{
    z-index: 15;
    margin: auto;
    position: absolute;
    visibility: hidden;
    margin-top: 390px;
    margin-left: 100px;
}