body {
    background: #eee;
    color: #3b4f5f;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
}

* {
    box-sizing: border-box;
}

form {
    width: 75%;
    border: 3px solid #84a5b9;
    padding: 20px;
    background: #fff;
    border-radius: 20px;
}
@media (max-width: 600px){
    form {
        width: 98%;
    }
}

h2 {
    text-align: center;
    margin-bottom: 40px;
}

input {
    display: block;
    border: 2px solid #ccc;
    width: 95%;
    padding: 10px;
    margin: 10px auto;
    border-radius: 5px;
}

label {
    color: #888;
    font-size: 18px;
    padding: 10px;
}

button {
    float: right;
    background: #84a5b9;
    padding: 10px 15px;
    color: #3b4f5f;
    border-radius: 5px;
    margin-right: 10px;
    border: none;
    opacity: .9;
    transition: opacity .25s ease-in-out;
}

button:hover {
    opacity: 1;
}

.error {
    background: #F2DEDE;
    color: #0c0101;
    padding: 10px;
    width: 95%;
    border-radius: 5px;
    margin: 20px auto;
}

h1 {
    text-align: center;
    color: #3b4f5f;
}

a {
    float: right;
    padding: 10px 15px;
    border-radius: 10px;
    margin-right: 10px;
    border: none;
    text-decoration: none;
}

a:hover {
    opacity: .7;
}