style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #3B3B3B; /* Darker gray background */
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    position: relative; /* Ensure relative positioning for child elements */
}

#input_number {
    position: absolute;
    right: 30px;
    top: 70px;
    padding: 10px;
    font-size: 16px;
    border: none;
    border-radius: 20px; /* Rounded corners */
    background-color: #5A5A5A; /* Dark gray background */
    color: white; /* White text color */
    outline: none; /* Remove focus outline */
    width: 150px; /* Adjusted width for better appearance */
    z-index: 1; /* Ensure input is above canvas */
}

#input_number:focus {
    background-color: #777777; /* Darker gray background on focus */
}

h3 {
    color: #F6F6F6; /* Light gray heading color */
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 24px;
}

#description {
    font-size: small;
    position: absolute;
    top: 120px; /* Adjusted position */
    right: 30px; /* Adjusted position */
    width: calc(100% - 1050px); /* Adjusted width */
    padding: 20px;
    background-color: #5A5A5A; /* Dark gray background */
    color: #F6F6F6; /* Light gray text color */
    border-radius: 10px; /* Rounded corners */
    z-index: 1; /* Ensure description is above canvas */
}

#description p {
    font-size: 16px;
    line-height: 1.5;
}

canvas {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0; /* Ensure canvas is behind other elements */
}