*{
    margin: 0;
    padding:0 ;
    box-sizing: border-box;
    font-family: 'poppins',sans-serif;
}

.container{
    width: 100%;
    height: 100vh;
    background-color: #3c5077;
    display: flex;
    align-items: center;
    justify-content: center;
}

#btn{
    padding: 10px 60px;
    background-color: #fff;
    border: 0;
    outline: none;
    cursor: pointer;
    font-size: 22px;
    font-weight: 500px;
    border-radius: 30px;
}

#btn:hover{
   border: 1px solid black;
   box-shadow: 0 0 10px black;
}

.popup{
    width: 400px;
    background: #fff;
    border-radius: 6px;
    position: absolute;
    top:0;
    left: 50%;
    transform: translate(-50%,-50%)scale(0.1);
    padding: 30px;
    text-align: center;
    color: #333;
    visibility: hidden;
    transition: transform 0.4s , 0.5s;
}

.open-popup{
    visibility: visible;
    top: 50%;
    transform: translate(-50%,-50%)
}

.popup h3{
    font-size: 30px;
    font-weight: 500;
    margin: 30px 0 10px;
}

.popup #ok{
    width: 100%;
    margin-top: 30px;
    padding: 10px 0 ;
    background-color: #6fd649;
    color: #fff;
    outline: none;
    font-size: 18px;
    border-radius: 4px;
    cursor: pointer;
    box-sizing: 0 5px 5px rgb(0,0,0.2);

}

.popup #ok:hover{
    border: 1px solid rgba(0, 0, 0, 0.589);
}