:root {
    --main-background-color: #f3f3f3;
    --main-text-color: #54696C;
    --form-container-background-color: #fff;
    --border-color: #ccc;
    --submission-error-text-color: #f54d4d;
}

body {
    background-color: var(--main-background-color);
    font-family: "Roboto";
}

#container {
    overflow: hidden;
    width: 25em;
    margin: 100px auto;
    height: auto;
}

#header {
    width: auto;
    height: auto;
    display: flex;
    justify-content: center;
    overflow: hidden;
}

#header h1 {
    margin: 15px 0px;
    font-size: 32px;
    font-weight: 300;
}

#header h1 a {
    color: var(--main-text-color);
}

#header h1 a:link,
a:visited {
    text-decoration: none;
}

#form-container {
    background: var(--form-container-background-color);
    padding: 20px 20px;
}

.form-row label {
    line-height: 3em;
    color: var(--main-text-color);
    font-size: 0.9em;
    clear: both;
}

div.form-row input {
    padding: 10px;
    width: 94%;
    border: 1px solid var(--border-color);
    display: block;
}

.submit-row {
    margin-top: 30px;
    text-align: center;
}

#login-button {
    cursor: pointer;
    padding: 10px 20px 10px 20px;
    border: 1px solid var(--border-color);
    font-family: inherit;
}

.submission-error-row p {
    margin-top: 30px;
    color: var(--submission-error-text-color);
    font-style: italic;
}