.logo-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(5, 1fr);
    opacity: 0.1;
    overflow: hidden;
}

.logo {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

.logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.container-fluid {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.row {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card {
    background-color: rgba(30, 30, 30, 0.9);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    margin-top: 0;
}

.logo-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(5, 1fr);
    opacity: 0.1;
    overflow: hidden;
}