.-Back-{
    text-align: center; background-color: teal; -webkit-text-fill-color: bisque;
}

.-Back-:hover{
    background-color: turquoise; -webkit-text-fill-color: teal;
}

.-Back-{
    border-style: solid;
    border-color: rgb(0, 0, 0);
    border-width: 4px;
    text-align: center;
    display: block; 
    margin-left: auto; 
    margin-right: auto; 
    width: 49%; 
}

.Pr1{
    background-color: rgb(0, 212, 159);
    margin-right: auto; margin-left: auto;
    width: 70%;
}

h2{
    text-align: center;
}
  
p{
    text-align: center;
}
.pr1img{display: flex;}


body{
    background-image:url(https://www.pixelstalk.net/wp-content/uploads/2016/08/Wonderful-Nature-Colorful-Scene-HD.jpg) ;
}