*{
    font-family: sans-serif;
}

body{
    max-width: 600px;
    max-height: 600px;
    margin: 0 auto;
}

.container{
    background-color: #1a2835;
    border-radius: 30px;
    color: white;
    height: 550px;

}

.header{
    background-color: rgba(51,54,97,1);
    width: 600px;
    height: 50px;
    border-radius: 30px 30px 0 0;
}

h2,h3{
    margin-left: 5px;
    border-bottom: 2px solid white;
}

p,input,textarea{
    margin-left: 15px;
}

#shift {
    background: #2c3e50;
    color: white;
    width: 90%;
    border: none;
    padding: 10px;
}

#plainText {
    background: #2c3e50;
    color: white;
    width: 90%;
    border: none;
    padding: 10px;
}