body {
    background-image: url(../images/background.jpg);
    background-size:cover;
    background-attachment: fixed;
    line-height:1;
}
.content{
   background: white;
   opacity: 0.75;
   width: 65%;
   padding: 40px;
   margin: 100px auto;
   font-family: calibri;
   border-radius: 10px;
}
p{
   font-size: 25px;
   color: black;

}