body {
    background-image: url("nkb.jpg");
    background-size: cover;
    font-family: 'Open Sans', 'Helvetica Neue', sans-serif;
    text-align: center;
    height: 100vh;
    position: relative;
    text-shadow: 1px 1px 5px rgb(18, 15, 200);
}

.container {
    background-image: url("nkb1.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    max-width: 80%;
    margin: auto;
    padding: 2% 1%;
    border: 3px solid antiquewhite;
    border-radius: 10px;
    box-shadow: 5px 5px 8px blue, 10px 10px 8px red, 15px 15px 8px white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

h1 {
    margin-top: 10px;
    margin-bottom: 10px;
    color: purple;
}

h2 {
    font-size: 50px;
    margin-top: 0;
    margin-bottom: 20px;
    color: yellowgreen;
}

button {
    border: 1px solid black;
    padding-top: 10px;
    padding-bottom: 10px;
    color: white;
    font-weight: bold;
    width: 200px;
    margin-bottom: 5px;
    border-radius: 5px;
}
p{
    color: mediumvioletred;
}

#increment-btn {
    background: #2C2891;
}

#save-btn {
    background: #1C7947;
}

#save-el {
    font-weight: bold;
}