/* Structure */
body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: lightblue;
}
#main-header h1, #main-header h2 {
    text-align: center;
}
footer {
    text-align: center;
}
.main-flex {
    display: flex;
    justify-content: space-evenly;
    flex-direction: row;
}

#ger, #spam, #horn, #hollow {
    background-color: white;
    width: 20%;
    height: 300px;
    background-size: 100% 100%;
    border-radius: 10px;
}
#gerText, #spamText, #hornText, #hollowText {
    text-align: center;
    margin-top: 260px;
    display: none;
    font-size: 20px;
}


/* Popup */
#pop {
    background-color: white;
    width: 300px;
    height: 350px;
    z-index: 1000;
    margin-left: auto;
    margin-right: auto;
    display: none;
    box-shadow: 10px 10px green;
    position: relative;
    right: -100px;
    top: -100px;
}
#pop span {
    display: block;
    text-align: right;
}
#pop h4 {
    text-align: center;
    margin: 5px;
}
#popupImg {
    margin-left: auto;
    margin-right: auto;
    background-size: 100% 100%;
    display: block;
}