body{
    color: #0f3057;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
    background-color: #adeecf;
}

h2{
    margin-bottom: 1rem;
}

#heading {
    font-size: 2.5rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.card{
    width: 30rem;
    height: 27rem;
    text-align: center;
    margin: 0 auto;
    border: 4px double;
    padding: 5rem 0;
    background-color: #f4f5db;
}

#uploadfile{
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    width: 16rem;
}

#encode,#decode{
    margin-top: 1rem;
    margin-right: 0.2rem;
}

#step2,#step3{
    display: none;
}

#startagain{
    visibility:hidden;
    display: block;
    margin: 2rem auto 0;
}

.text2{
    font-size: 1.5rem;
}

#doneImg{
    width: 10rem;
    margin: auto;
}