body /*whole body*/
{
    background: #1690A7;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
}

*{ /*font*/
    font-family: sans-serif;
    box-sizing: border-box;
}

form /*form box*/
{
    width: 500px;
    border: 2px solid #ccc;
    padding: 30px;
    background: #fff;
    border-radius: 15px;
}

h2 /*header*/
{
    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: #555;
    padding: 10px 15px;
    color: #fff;
    border-radius: 5px;
    margin-right: 10px;
    border: none;
}

button:hover
{
    opacity: .7;
}

.error
{
    background: #F2DEDE;
    color: #A94442;
    padding: 10px;
    width: 95%;
    border-radius: 5px;
    margin: 20px auto;
}

h1
{
    text-align: center;
    color: #fff;
}

a
{
    float: right;
    background: #555;
    padding: 10px 15px;
    color: #fff;
    border-radius: 5px;
    margin-right: 10px;
    border: none;
    text-decoration: none;
}

a:hover
{
    opacity: .7;
}