@font-face {
    font-family: "PixelMplus";
    src: url("font/PixelMplus12-Regular.ttf");
}

body {
    max-width: 600px;
    padding: 0.5em;
    margin: auto;
    border: none;
}

h1 {
    margin: 0px;
    padding: 10px;
    font-family: "PixelMplus";
    border: none;
}

canvas {
    width: calc(100% - 2px);
    border: none;
    border: 1px solid black;
}

.div_option {
    display: flex;
    flex-wrap: wrap;
    margin: 5px 20px;
}

.option_button {
    width: calc(20% - 4px);
    margin: 2px;
    padding: 5px;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.hidden {
    display: none;
}

#text {
    width: 100%;
    height: 5lh;
}

button.active {
    background-color: #4caf50;
    color: white;
}

#div_save {
    text-align: center;
}

#saveImage {
    font-size: large;
    padding: 15px 30px;
    margin: 10px;
}