*{box-sizing: border-box;}

body{
    background-image: url(forest2.jpg);
    background-size: cover;
}

.sadie{
position: fixed;
margin-top: 450px ;
margin-left: 530px;
}

.textbox{
    background-color: aliceblue;
    position: fixed;
top: 100px;
left: 400px;
margin: 0px;
padding: 30px;
}