style.css

*,
body {
    letter-spacing: 0.06vw;
    font-family: "Sarabun", sans-serif;
    box-sizing: border-box;
    color: var(--board-color);
    margin: 0;
    padding: 0;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

:root {
    --blue: rgb(0, 0, 255);
    --blue-t: rgba(0, 0, 255, 0);
    --yellow: rgb(255, 255, 0);
    --fred: rgb(255, 0, 0);
    --fred-t: rgba(255, 0, 0, 0);
    --greenlee: rgb(0, 255, 0);
    --greenlee-t: rgba(0, 255, 0, 0);
    --pinkney: rgb(255, 0, 255);
    --bluebell: rgb(0, 255, 255);
    --willem: rgb(255, 127, 0);
    --greydon: rgb(200, 200, 200);
}

#game_container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    background-color: #111111;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
}

#game {
    display: grid;
    width: 100%;
    max-width: calc(100vh * 4 / 3);
    aspect-ratio: 4 / 3;
    object-fit: contain;
    background-color: #000;
}

#mobile_title {
    display: none;
    color: var(--yellow);
    font-size: 3em;
    text-align: center;
}

@media screen and (max-width: 1000px) {
    #game {
        display: none;
    }
    #mobile_title {
        display: block;
    }
}

#start_page {
    background-color: #000;
    grid-column: 1;
    grid-row: 1;
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    z-index: 6;
}

canvas {
    position: relative;
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    aspect-ratio: 4 / 3;
    cursor: none;
}

#powerup_hitbox_canvas {
    z-index: 1;
    display: none;
}

#powerup_visual_canvas {
    z-index: 2;
}

#trails_hitbox_canvas {
    z-index: 3;
}

#dots_canvas {
    z-index: 4;
}

#ui_canvas {
    z-index: 5;
}

#game_title {
    text-align: center;
    color: var(--yellow);
    margin: 40px 0;
}

#player_grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 20px 100px;
}

.player_wrapper,
.player_wrapper_start {
    width: 100%;
    display: grid;
    grid-template-columns: 10% 30% 30% 30%;
    margin: 0;
    background-color: #000;
    border: none;
    text-align: left;
    opacity: 0.5;
}

.player_wrapper p {
    font-size: 35px;
    line-height: 1.7;
    cursor: pointer;
}

.player_wrapper.focus,
.player_wrapper.focus:hover {
    opacity: 1;
}

.player_wrapper:hover {
    opacity: 0.85;
}

.player_wrapper_start p {
    color: #fff;
    opacity: 1;
    font-size: 35px;
    line-height: 1.7;
}

.key_wrapper {
    display: grid;
}

.key_wrapper p {
    grid-column: 1;
    grid-row: 1;
}

.key_wrapper p:first-child {
    color: #fff;
    font-size: 20px;
    padding: 10px 0 12px 0;
    margin: 0 30px;
    border: 2px solid #fff;
    border-radius: 6px;
}

#gamemode_wrapper {
    display: flex;
    justify-content: center;
}

#gamemode_wrapper p {
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    padding: 10px;
    margin: 10px;
}

#start_game_button_wrapper {
    display: flex;
    justify-content: center;
}

#start_game_button {
    background-color: #6d6d6d;
    border: 2px solid #ffffff;
    text-align: center;
    font-size: 100%;
    color: #ffffff;
    padding: 10px 18px 13px;
    cursor: pointer;
    border-radius: 6px;
    margin: 20px;
}

#start_game_button:hover {
    background-color: #999999;
}

.underline {
    text-decoration: underline;
}

.text_center {
    text-align: center;
}

.hidden {
    visibility: hidden;
}

.fred {
    color: var(--fred);
}

.greenlee {
    color: var(--greenlee);
}

.pinkney {
    color: var(--pinkney);
}

.bluebell {
    color: var(--bluebell);
}

.willem {
    color: var(--willem);
}

.greydon {
    color: var(--greydon);
}