body {
    background-image: url('../images/avengers.jpg');
    background-repeat: no-repeat;
}

#game {
    position: block;
    width: 33%;
    margin-top: 15%;
    margin-left: 30%;
    text-align: center;
    background-color: rgb(255, 255, 255, .8);
    padding: 50px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#avenger {
    position: relative;
    text-align: center;
    width: 33%;
    margin-top: 2%;
    margin-left: 31%;
    background-color: rgb(255, 255, 255, .8);
    padding: 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    visibility: hidden;
}

p {
    font-size: 16px;
    font-weight: 600;
}