body {
    background-color: rgb(217, 217, 217);
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    background-image: url('space.jpg');
    background-size: cover;
    margin: 0;
    line-height: 1.4;
}

.container1, .container2, .container3, .container4 {
    background-color: rgb(155, 155, 155);
    padding: 3vw;
    border-radius: 10px;
    max-width: 25vw;
    
    img {
        width: 20vw
    }

    h1 {
        font-size: 2rem;
    }
}

.group {
    padding: 4vw;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}

.intro {
    display: flex;
    align-items:center;
    flex-direction: column;
    background-color: rgb(217, 217, 217);
    padding: 4vw;

    h1 {
        font-size: 2.8rem;
    }
}

p {
    font-size: 1.3rem;
}

.safe {
    background-color: rgb(6, 144, 6);
    padding-left: 10px;
    max-width: 65px;
    border-radius: 10px;
    color: white;
}

.dangerous {
    background-color: rgb(173, 43, 43);
    padding-left: 10px;
    max-width: 145px;
    border-radius: 10px;
    color: white;
}



@media screen and (max-width: 900px) {
.group {
    flex-direction: column;
}
.container1, .container2, .container3, .container4 {
    max-width: 75vw;
    margin: 4vw;
    padding-left: 6vw;
    padding-right: 6vw;
    img {
        width: 50vw
    }
}
.intro {
    padding: 6vw;
}

}