:root {
    --col1: rgb(0, 0, 0);
    --col2: rgb(128, 128, 128);
    --col3: rgb(9, 117, 179);
    --col4: rgb(194, 210, 224);
    --col5: rgb(255, 255, 255);
}

section {
    position: relative;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--col2);
    padding: 0;
    margin: 0;
}

/* Header */

#header {
    font-variant: small-caps;
    font-size: 1.4rem;
    position: relative;
}

#header_images {
    height: 200;
    display: grid;
    grid-template-columns: 1fr 224px;
}

#header_image_left {
    width: 100%;
    float: left;
}

#header_images img {
    height: 200px;
}

#header_text {
    position: absolute;
    top: 0px;
    display: grid;
    grid-template-columns: min-content 1fr;
}

#logo {
    margin: 15px;
}

#header_text p {
    color: rgb(220, 220, 50);
    margin: 0;
}

#header_text h1 {
    color: white;
    font-size: 50px;
    margin: 0;
    display: inline-block;
    vertical-align: top;
    position: relative;
    left: -60px;
    line-height: 1;
}

@media (max-width: 50rem) {
    #header_text h1 {
        font-size: 2.4rem;
    }
}

/* Login/logout link */

#login a {
    font-variant: normal;
    font-size: 1rem;
    position: absolute;
    padding: 0.8em;
    right: 0;
    top: 0;
}

/* Footer */

#footer {
    color: var(--col4);
    background-color: rgb(50, 103, 150);
    padding-top: 1rem;
}

#footer h1 {
    margin: 0;
    color: var(--col4);
}

#footer ul {
    padding: 0;
}

#footer li {
    list-style: none;
}

#footer i {
    width: 1.5rem;
}

#copyright {
    font-size: small;
    text-align: center;
    padding: 0.5rem;
    color: var(--col4);
    background-color: var(--col3);
}

/* Menu */

#menu,
#copyright {
    color: var(--col4);
    background-color: var(--col3);
}

#menu ul {
    margin: 0;
    list-style: none;
    padding-left: 0;
}

#menu>ul>li {
    display: inline-block;
    position: relative;
}

#menu li {
    margin: 0.5rem;
}

#menu a {
    white-space: nowrap
}

.drop-menu {
    visibility: hidden;
    border-top: 0.2rem solid var(--col4);
    position: absolute;
    background-color: var(--col3);
    z-index: 1;
    box-shadow: 0 0 0.2rem rgb(159, 159, 159);
}

@media (hover: none) {

    /* Only use the .visible control through Javascript if hover doesn't work */
    .visible {
        visibility: visible;
    }
}

#menu a,
#footer a,
#header a {
    text-decoration: none;
    color: var(--col4);
}

#menu li:hover,
#menu a:hover,
#footer a:hover,
#header a:hover,
#menu .nav-this {
    color: var(--col5);
}

li:hover .drop-menu,
.drop-menu:hover {
    visibility: visible;
}

/* Content */

.page_margin {
    padding-left: 4rem;
    padding-right: 4rem;
}

@media (max-width: 50rem) {
    .page_margin {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--col1);
}

h1 {
    font-size: 1.5rem;
}

h2 {
    font-size: 1.3rem;
}

h3,
h4,
h5,
h6 {
    font-size: 1rem;
}



a {
    color: var(--col3);
}

/* Form */

form {
    margin: 2rem auto;
    width: 15rem;
    padding: 2rem;
    border: 1px solid var(--col4);
    border-radius: 1rem;
}

input {
    color: var(--col2);
    padding: 0.2rem;
    border: 1px solid var(--col4);
}

form ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

form li+li {
    margin-top: 1.5rem;
}

label {
    display: block;
}

input {
    font-size: medium;
    width: 100%;
    box-sizing: border-box;
}

button {
    padding: 0.5rem;
}