:root {
    --body-font: "Verdana", "Helvetica", sans-serif;
}

* {
    box-sizing: border-box;
}

body,
html {
    height: 100%;
}

body,
h1 {
    margin: 0;
}

body {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    font-size: 87.5%;
    font-family: var(--body-font);
}

a {
    color: #0075f8;
    text-decoration: none
}

a:hover {
    color: #8CAAFF;
}

a:focus {
    outline: thin dotted;
}

#page {
    margin: 1rem 1rem 0 1rem;
    flex: 1 1 0%;
}

footer {
    width: 100%;
    text-align: center;
    margin-top: 1rem;
    padding: 1em 0 1em;
    border-top: 1px solid #e8e8ec;
    flex: 0 1 auto;
}

.header {
    min-height: 4em;
}

.main {
    display: flex;
    flex-wrap: wrap;
    gap: 1em;
    height: fit-content;
}

.main>div {
    flex: 1 1 0%;
    min-width: 320px;
    max-width: 960px;
}

.l1 {
    height: 1.5rem;
    line-height: 1.5;
}

div.type>input {
    margin-right: 0px;
    vertical-align: text-top;
}

textarea {
    height: 100%;
    width: 100%;
}

button {
    line-height: 1.5;
}

.btn-main {
    font-weight: bold;
}

.ctrl>* {
    vertical-align: middle;
}

#error {
    background: #fff0f0;
    border-left: 0.5em solid #c00;
    padding: 0.5em 0.5em 0.5em 1em;
}

mark {
    background: #fc0;
    color: #000;
    padding: 0.3em;
    border-radius: 0.3em;
    font-weight: bold;
}

small {
    color: #9192A7;
}

code {
    border-radius: 0.3em;
    background: rgba(255, 255, 255, 0.2);
    padding: 1px;
    border: 1px solid rgba(0, 0, 0, 0.2);
    line-height: 1.8;
}

.hide {
    display: none;
}

.fr {
    float: right;
}