* {
    margin: 0;
    padding: 0;
}

body {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

#heading {
    width: 100%;
    height: 100px;
    line-height: 100px;
    font-size: 25pt;
    color: white;
    text-align: center;
    text-decoration: underline;
    background-color: black;
    flex-grow: 0;
}

#flex_box {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    background-color: black;
    flex-grow: 1;
}

#imageCanvas {
    border: 3px solid white;
}

#controls {
    width: 100%;
    height: 50px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.ctrl_btn {
    font-size: 20pt;
    font-family: sans-serif;
    padding: 10px;
}

#speed_ctrls {
    width: 750px;
    height: 50px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

#speedSlider {
    width: 500px;
    cursor: pointer;
    outline: none;
}

#speed_display {
    color: white;
    font-size: 15pt;
    width: 100%;
    text-align: center;
}
#speed_value {
    color: red;
}