* {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: black;
}

.container {
    display: none;
    position: relative;
    width: 600px;
    height: 421px;
    border: 5px solid white;
}

.racket1, .racket2 {
    position: absolute;
    width: 15px;
    height: 75px;
    background-color: white;
}

.racket1 {
    top: 175px;
    left: 75px;
}

.racket2 {
    top: 175px;
    right: 75px;
}

.littleBall {
    position: absolute;
    width: 15px;
    height: 15px;
    top: 210px;
    left: 295px;
    background-color: white;
}

.scoreboard {
    display: none;
    position: absolute;
    top: 10px;
    text-align: center;
    color: white;
    font-size: 48px;
    font-weight: bold;
}

.middleLine {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background-color: transparent;
    border-left: 4px dashed white;
}

.botaoStart {
    padding: 10px 20px;
    background-color: black;
    color: white;
    border: 4px solid white;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
}

.botaoStart:hover {
    color: black;
    background-color: white;
    transform: scale(1.1);
}

.botaoStart:active {
    background-color: white;
    transform: scale(1.05);
}