body {
    font-family: Arial, Helvetica, sans-serif;  
}

.container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.form{
    background-color:whitesmoke;
    width:23rem;
    box-shadow: 2px 2px gainsboro;    
}


h2 {
    margin-top: 2.5rem;
    text-align: center;
}

input, button {
    display:block;
    margin-left: auto;
    margin-right: auto;
    width: 75%;
    margin-bottom: 10px;
    padding: 10px 5px;
    font-size: 1rem;
    border: 1px solid #aaa;
}

input:focus {
    outline: 1px solid #666;
}

button {
    margin-top: 20px;
    margin-bottom: 40px;
    padding: 10px 0;
    background-color: #2E86C1;
    color: white;
    border:none;
}

p {
    text-align:center;
    color:red;
    font-size: 0.9rem;
    visibility: hidden;
}