*{
    margin: 0;
    padding: 0;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    outline: none;
}
body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 20px;
}

form {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

h2 {
    color: #4a4a4a;
    text-align: center;
    margin-bottom: 30px;
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
}

select {
    background-repeat: no-repeat;
    background-position: right 10px top 50%;
    background-size: 12px auto;
}

p {
    margin-top: 20px;
    margin-bottom: 10px;
    color: #4a4a4a;
}

.radiobtn,
.checkbox {
    margin-bottom: 15px;
}

input[type="radio"],
input[type="checkbox"] {
    margin-right: 10px;
}

input[type="submit"] {
    width: 100%;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

input[type="submit"]:hover {
    background-color: #45a049;
}
.invalid {
    animation: shake 0.2s ease-in-out 0s 2;
    box-shadow: 0 0 1svb red;
}

@keyframes shake {
    0% {
      margin-left: 0rem;
    }
    25% {
      margin-left: 0.5rem;
    }
    75% {
      margin-left: -0.5rem;
    }
    100% {
      margin-left: 0rem;
    }
  }