body{
    opacity:0;
    animation:loadIn 1s linear forwards;
}

@keyframes loadIn{
    0%{
        opacity:0%;
    }
    100%{
        opacity:100;
    }
}

#backButton{
    position:fixed;
    top:5px;
    left:5px;
    color:black;
    transition:padding 0.25s cubic-bezier(.24,0,.16,1), letter-spacing 0.5s cubic-bezier(.24,0,.16,1);
    font-size:12px;
    font-family:Arial, Helvetica, sans-serif;
    z-index:1000;
    cursor:pointer;
}

#backButton:hover{
    letter-spacing:5px;
    border:0.5px black dashed;
    color:black;
    padding:0 5px;
}