style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    width: 100%;
    height: 100%;
}

body {
    background-color: black;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
}

.boss {
    margin-top: 120px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center; /* Center horizontally */
}

#bulb {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background-color: grey;
    border: 2px solid rgb(61, 61, 61);
    position: absolute;
}

button {
    position: absolute;
    padding: 20px 12px;
    margin-top: 124px; /* Adjust margin as needed */
    background-color: silver;
    font-size: large;
    border: 2px solid gray;
    cursor: pointer;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
}

.btn-end {
    margin-top: 189px; /* Adjust margin as needed */
    height: 11px;
    width: 18px;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    background-color: rgb(63, 63, 61);
}