@import url(https://fonts.googleapis.com/css?family=Poppins:100,100italic,200,200italic,300,300italic,regular,italic,500,500italic,600,600italic,700,700italic,800,800italic,900,900italic);

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    padding: 2vh;
}

.main__container {
    padding: 1.5rem;
    border: 2px dashed #333;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-width: min-content;
}

.main__buttons {
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn {
    font-family: 'Poppins', sans-serif;
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    border: 2px solid #333;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.btn:hover, .btn:focus, .selected {
    background-color: #333;
    color: #fff;
}

.start__sort {
    font-size: clamp(1rem, 2vw, 2rem);
    background-color: #4CAF50;
    color: white;
    padding: 0.45rem 0.9rem;
    border: 2px dashed #333;
    border-radius: 0.25rem;
    cursor: pointer;
}

.main__canvas {
    width: 100%;
    height: 100vh;
}

canvas {
    width: 100%;
    height: 100%;
    border: 2px solid #3333333f;
    background-color: #fff;
}