style.css

.stMarkdown {
    text-align: center;
}

#sistema-de-clientes {
    font-weight: bold;
}

.css-1q8dd3e {
    background: transparent;
    box-sizing: border-box;
    border-radius: 0.6rem;
    align-self: center;
    font-size: 17px;
    font-weight: 400 bold;
    text-align: center;
    color: aliceblue;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    cursor: pointer;
    border: 2px solid aqua;
    width: 60px;
    height: 30px;
    font-size: 15px;
}

.css-1q8dd3e:hover {
    color: aqua;
    box-shadow: 3px 3px 20px #03e9f4,
    3px 2px 20px #03e9f4;
    border: 2px solid aqua;
}

#sistema-de-clientes {
    background-color: #000;
    border: 1px solid #dbd56e;
    color: #fff;
    border-radius: 12px;
}

#MainMenu {visibility: hidden;}
footer {visibility: hidden;}
header {visibility: hidden;}