* {
    box-sizing: border-box;
}

html {
    margin: 0;
    height: 70%;
    background: url(background3.png) no-repeat center center fixed; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

body {
    font-family: sans-serif;
    color: white;
}

body.flex {
    margin: 0;
    height: 100%;
    display: flex;
    flex-direction: row;
}

body>h1 {
    text-align: center;
}



iframe {
    border: none;
    flex-grow: 1;
    min-width: 320px;
}

.panel a, .panel a:visited {
    color: turquoise;
    transition: 100ms ease-in;
}

.panel a:hover {
    color: darkcyan;
}

form label, form button, form .recaptcha {
    display: block;
    margin-top: 1em;
}

form input, form textarea {
    resize: vertical;;
    width: 100%;
}

form button {
    font-size: 12pt;
    padding: 0.5em 1em;
    cursor: pointer;
}

code {
    font-family: 'Courier New', Courier, monospace;
    background:rgb(20, 38, 41);
    color: rgb(202, 220, 230);
    border-radius: 2px;
    padding: 0 0.25em;
}

code.error {
    background:rgb(46, 20, 20);
    color: rgb(253, 35, 35);
}

.panel {
    background: rgb(24, 24, 24);
    border-radius: 20px;
    height: fit-content;
    padding: 1em 2em;
    margin: 1em;
}

.hidden {
    display: none;
}

/* display: none breaks iframes on Firefox */
iframe.hidden {
    display: block;
    visibility: hidden;
    position: absolute;
    width: 0px;
    height: 0px;
}

.mobile {
    display: none;
}