form {
    background: white;
    max-width: 500px;
    margin: 30px auto;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    margin: 0;
       border-left:150px solid #FFD700;
    border-right:150px solid #FFD700;

    min-height: 100vh;
    box-sizing: border-box;
}
button {
    width: 100%;
    padding: 12px;
    background: #007BFF;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #FFD700;
}
/* Reset */
* {
    box-sizing: border-box;
}

/* Body */
body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    margin: 0;

    border-left: 150px solid #FFD700;
    border-right: 150px solid #FFD700;

    min-height: 100vh;
}

/* Form */
form {
    background: white;
    max-width: 500px;
    margin: 50px auto;
    padding: 30px;

    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

/* Labels */
label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
}

/* Inputs */
input {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;

    border: 1px solid #ccc;
    border-radius: 6px;

    font-size: 14px;
    transition: 0.3s;
}

/* Focus effect */
input:focus {
    border-color: #007BFF;
    box-shadow: 0 0 5px rgba(0,123,255,0.3);
    outline: none;
}

/* Button */
button {
    width: 100%;
    padding: 12px;

    background: #007BFF;
    color: white;

    border: none;
    border-radius: 6px;

    font-size: 16px;
    font-weight: bold;

    cursor: pointer;
    transition: 0.3s;
}

/* Hover */
button:hover {
    background: #FFD700;
    color: black;
}

/* Error (invalid fields) */
input:invalid {
    border-color: #ff4d4d;
}