*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    background: linear-gradient(90deg, hsla(205, 46%, 10%, 1) 0%, hsla(191, 28%, 23%, 1) 50%, hsla(207, 41%, 27%, 1) 100%);
}

img{
    width: 100%;
    height: auto;
}

.popup{
    padding: 50px;
    max-width: 800px;
    margin: auto;
}