body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background: url('https://avatars.mds.yandex.net/i?id=aed3d8f4921f1ce765c37fc6c1e0d2eca8ac53b7-5031203-images-thumbs&n=13') no-repeat center center fixed;
    background-size: cover;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #333;
}

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

.auth_block {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 25px; 
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    width: 320px; 
    max-width: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.auth_input_form {
    width: 100%;
    margin-bottom: 15px; 
}

.input_element_with_description {
    margin-bottom: 15px; 
    width: 100%;
}

.input_description {
    margin-bottom: 6px; 
    font-weight: 600;
    color: #444;
    font-size: 14px; 
}

.auth_input_element {
    width: 100%;
    padding: 10px 15px; 
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 15px; 
    transition: all 0.3s ease;
    box-sizing: border-box;
    height: 42px; 
}

.auth_input_element:focus {
    border-color: #4a90e2;
    outline: none;
    box-shadow: 0 0 5px rgba(74, 144, 226, 0.5);
}

.auth_button {
    width: 100%;
    padding: 10px; 
    border: none;
    border-radius: 8px;
    font-size: 15px; 
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px; 
    height: 42px; 
}

.auth_button:first-of-type {
    background-color: #4a90e2;
    color: white;
    margin-top: 10px; 
}

.auth_button:first-of-type:hover {
    background-color: #3a7bc8;
}

.auth_button:last-of-type {
    background-color: #f5f5f5;
    color: #333;
    margin-top: 10px; 
}

.auth_button:last-of-type:hover {
    background-color: #e0e0e0;
}