body{
    /* background-color:blue; */
    /* background-color: brown; */
    background-image: url(../img/about\ us.jpg);
    background-repeat:no-repeat;
    background-size: 100% 100%;
    background-attachment: fixed;
}
form{
    display:block;
    text-align:center;
    margin-top:15%;
    color:white;
    font-size:large;
}