/* Body */
body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: flex-start; /* Align content to the start (left side) */
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
}

/* Core Menu */
.core-menu {
    position: fixed; /* Fixed positioning to stay in place */
    left: 0; /* Align to the left side of the page */
    top: 50%; /* Center vertically in the viewport */
    transform: translateY(-50%); /* Ensure vertical centering */
    width: 90px;
    height: 525px;
    margin-left: 20px; /* Small margin on the left */
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: transparent;
    z-index: 999; /* Ensure it stays above other elements */
}

/* Background for the Core Menu */
.background {
    position: absolute;
    width: 90px;
    height: 525px;
}

/* Button Container within the Core Menu */
.button-container {
    position: relative;
    width: 90px;
    height: 525px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
}

/* Logo Positioning */
.logo {
    position: absolute;
    width: 70px;
    height: 55px;
    bottom: 450px; /* Adjusted position */
    left: 10px;
}

/* Button Styling within the Core Menu */
.button {
    position: absolute;
    width: 80px;
    height: 80px;
    background-size: cover;
    cursor: pointer;
}

.L1 { bottom: 5px; left: 5px; } /* Adjusted position */
.A1 { bottom: 95px; left: 5px; } /* Adjusted position */
.H1 { bottom: 185px; left: 5px; } /* Adjusted position */
.R1 { bottom: 275px; left: 5px; } /* Adjusted position */
.D1 { bottom: 365px; left: 5px; } /* Adjusted position */