stylePopups.css

*

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

.container
{
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #fff173;
    transition: 0.5s;
    padding: 20px;
}

.container#blur.active
{
    filter: blur(20px);
    pointer-events: none;
    user-select: none;
}

.container .content
{
    position: relative;
    max-width: 800px;
}
h2{
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}
.container .content img
{
    max-width: 100%;
    display: block;
}
a
{
    position: relative;
    padding: 5px 20px;
    display: inline-block;
    margin-top: 20px;
    text-decoration: none;
    color: #fff;
    background: #111;
}
#popup
{
    position: fixed;
    top: 40%;
    Left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    padding: 50px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, .30);
    background: #fff;
    visibility: hidden;
    opacity: 0;
    transition: 0.5s;
}

#popup.active
{
    top: 50%;
    visibility: visible;
    opacity: 1;
    transition: 0.5s;
}