body,
html {
    overflow: hidden;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
hr {
    width: 100%;
    border: 1px solid black;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.5);
}
#my_Canvas {
    border: 1px solid black;
    margin: 0 auto;
    border-radius: 10px;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.5);
    background-color: #f0f0f0;
    display: block;
}
.container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.5);
    background-color: #f0f0f0;
    width: 76%;
    align-items: center;
    justify-content: center;
    align-self: center;
}
.controls {
    display: flex;
    gap: 10px;
    align-items: center;
    text-align: center;
}
.score {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    color: #007bff;
}
.score p {
    margin: 0;
}
.score-history {
    gap: 10px;
    margin: 10px;
}
.score-history p {
    margin: 0;
    font-size: 16px;
    font-weight: bold;
    color: #007bff;
    text-align: center;
}
.score-history ul {
    margin: 0;
    padding: 0;
    list-style-type: none;
    font-size: 16px;
    font-weight: bold;
    color: #007bff;
}
.score-history ul li {
    margin: 0;
    padding: 0;
    text-align: center;
    list-style-type: none;
    font-size: 16px;
    font-weight: bold;
    color: #007bff;
}
#start {
    width: 100px;
    height: 30px;
    font-size: 16px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
#start:hover {
    background-color: #0056b3;
}