popup.css

body {
    background: 
        linear-gradient(
        rgba(0, 0, 0, 0.6),
        rgba(0, 0, 0, 0.6)
        ),
        url(chucknorris2.jpg);
    background-size: cover;
    height: 100vh;
    background-repeat: no-repeat;
    background-color: #303030;
    font-family: 'Source Sans Pro', sans-serif;
}

/* .container {
    display: flex;
    height: 100%;
    background-size: cover;
} */

.cnpic {
    /* flex-basis: 1600px 875px; */
    /* flex-basis: 2500px;
    flex-grow: 1;
    width: 100%; */

    /* max-width: 1000px; */
    /* position: relative; */
    /* display: inline-block; */
    /* z-index: 0; */
}

header {
    font-size: 500%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    text-align: center;
  }

/* h1 { */
    /* position: absolute; */
    /* color: white;
    margin-top: 0px;
    font-family: Arial, Helvetica, sans-serif;
    z-index: 10; */