body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
}

.head {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(rgba(0, 26, 255, 0.3), rgba(0, 0, 0, 0.5)), url('nav.jpg') center/cover;
}

.form {
    width: 350px;
    padding: 20px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    text-align: center;
}

form {
    display: flex;
    flex-direction: column;
    color: white;
}

label {
    color: white;
    text-align: left;
    margin-bottom: 10px;
}

input[type=text],
input[type=password] {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border-radius: 5px;
    border: none;
    outline-color: blue;
}

input[type=submit] {
    background-color: blue;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
}

.error-message {
    min-height: 20px;
    color: red;
    font-size: 14px;
    margin-bottom: 10px;
}

#check{
    margin-top: 5px;
}