canvas {
    width: 100%;
    max-width: 600px; /* or any max size you want */
    border: 10px solid #000; /* solid border (no gradient) */
    background-image: url(images/Coding_Canvas.png);
    background-size: cover;
    width: 90vw;
    max-width: 90%;
    height: auto;
    aspect-ratio: 15 / 8.25;
    display: block;
    margin: 0 auto;
}

body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background: linear-gradient(135deg,#fdfbfb 0%,#ebedee 100%);
}

#image-selection {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
}

button {
    color: white;
    font-weight: bold;
    font-size: 2em;
    background: linear-gradient(90deg,#FFE57F 0%,#FFB74D 100%);
    border: none; /* Remove the border */
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
    transition-duration: 0.4s;
    min-width: 120px;
    min-height: 40px;
    flex: 1 1 120px;
}

button:hover {
    background: linear-gradient(90deg,#FFB74D 0%,#FF8A65 100%);
    color: white;
    transform: translateY(-3px);
}

#mario-button {
    background: linear-gradient(90deg,#ff5252 0%,#ff8a65 100%);
    color: white;
    font-weight: bold;
    font-size: 2em;
}

#luigi-button {
    background: linear-gradient(90deg,#66bb6a 0%,#2ecc71 100%);
    color: white;
    font-weight: bold;
    font-size: 2em;
}

#peach-button {
    background: linear-gradient(90deg,#ff9a9e 0%,#f6d365 100%);
    color: white;
    font-weight: bold;
    font-size: 2em;
}

#restart-button-container {
    text-align: center;
    margin-top: 20px;
}

@media (max-width: 600px) {
    #image-selection {
        flex-direction: column;
        gap: 15px;
    }
    button {
        font-size: 1em;
        min-width: 80vw;
        min-height: 40px;
        padding: 12px 0;
    }
}