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

body {
    font-family: "Montserrat", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    font-optical-sizing: auto;
    color: #ffffff;
    background-color: #0A0A14;
}

.header {
    max-width: 460px;
    margin: 8vh auto;
    background: #111827;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
    padding: 24px;
}

.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 10px;
    background: #2ac6d9;
    color: white;
    font-weight: 700;
    font-size: 20px;
    cursor: pointer;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    -webkit-text-stroke: 0.5px #555;
}

.btn:hover {
    filter: brightness(1.1);
}

#logo {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: #0b1220;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid #000000;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#logo img {
    width: 100px;
    height: auto;
}