body{
font-family: Arial;
text-align:center;
background:#f2f2f2;
}

.container{
background:white;
width:600px;
padding:20px;

border-radius:15px;
box-shadow:0 0 10px rgba(0,0,0,0.2);
position: relative;
margin: auto;
z-index: 1500;
}
h6{
    color: red;
    font-size: 150px;
    z-index: 1800;
    position: absolute;
    left: 25%;
    top: 45%;
    text-shadow: 0 0 10px red;
    margin: auto;
    display:none;

}
#cong2{
    top: 20%;
    left: 7%;
}
button{
padding:10px 20px;
font-size:16px;
margin-top:10px;
cursor:pointer;
border-radius: 15px;
border: 0;
background: aqua;

}

input{
padding:8px;
font-size:16px;
}