body {
    font-family: 'Arial', sans-serif;
    background-color: #F5F6FA;
    color: #000;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    background-color: #2E3440;
    color: #ECEFF4;
    padding: 20px 0;
    text-align: center;
}

.main {
    background-color:#F5F6FA;
    padding: 40px;
}

.container {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    padding: 20px;
    background-color: #FFFFFF;
    box-shadow: 0 8px 16px #09203c;
    border-radius: 15px;
}

.signup-form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #333333;
}

input {
    width: 100%;
    padding: 10px;
    border: 1px solid #D8DEE9;
    border-radius: 5px;
    outline: none;
}

button {
    background: linear-gradient(45deg, #5e81ac, #141a24);
    color: #ECEFF4;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #4C566A;
}

.captcha-image {
    cursor: pointer;
    margin-left: 10px;
}

.links {
    text-align: center;
    margin-top: 20px;
}

.links a {
    color: #5E81AC;
    text-decoration: none;
    margin: 0 10px;
}

.links a:hover {
    text-decoration: underline;
}

.footer {
    background-color: #F5F6FA;
    color: #000;
    text-align: center;
    padding: 10px 0;
}
form {
    max-width: 400px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1em;
}

label {
    display: block;
    margin-bottom: 0.5em;
}

.required {
    color: red;
    font-size: 1.2em;
    vertical-align: middle;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.5em;
    margin-bottom: 1em;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.captcha-image {
    cursor: pointer;
    margin-left: 1em;
}