:root {
    --body-background-color: #293B2A;
    --header-background-color: #646D5A;
    --nav-background-color: #505948;
    --nav-text-color: #8CAA8C;
    --nav-hover-color: #464F3E;
    --wrapper-background-color: #647E5A;
    --border-color: #101010;
    --text-color: #101010;
    --footer-gradient: linear-gradient(20deg, #ffadad, #ffd6a5, #fdffb6, #caffbf, #9bf6ff, #a0c4ff, #bdb2ff, #ffc6ff);
}

#wrapper {
    background-color: var(--wrapper-background-color);
    margin-left: auto;
    margin-right: auto;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    width: 90%;
    min-height: 100vh; /* keeps the wrapper at least the length of the screen */
    display: flex;
    flex-direction: column;
}

#content {
    margin: 0;
    padding-top: 0;
    padding-left: 1vh;
    padding-right: 1vh;
    overflow: visible;
}

body {
    margin: 0;
    height: 100vh;
    background-color: var(--body-background-color);
}

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

header {
    background-color: var(--header-background-color);
    margin-bottom: 1vh;
}

nav ul {
    list-style-type: none;
    margin-left: .3%;
    margin-right: .3%;
    margin-top: .3%;
    margin-bottom: .3%;
    padding: 0;
    overflow: hidden;
    background-color: var(--nav-background-color);
    display: block;
}
  
nav li {
    margin: 0;
    display: inline;
    float: left;
}
  
nav li a {
    display: block;
    color: var(--nav-text-color);
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

nav li a:hover {
    background-color: var(--nav-hover-color);
}

footer {
    background: var(--footer-gradient);
    margin-top: auto;
}

footer hr {
    border-width: 1px;
    border-style: solid;
    border-color: var(--border-color);
    margin: auto;
}

footer p {
    text-align: center;
}

h1 {
    text-align: center;
}

h2 {
    margin-top: 1vh;
    margin-bottom: 1vh;
}

p {
    color: var(--text-color);
    margin-top: 1%;
    margin-bottom: 1%;
}

hr {
    border-width: 1px;
    border-style: dashed;
    border-color: var(--border-color);
    color: var(--border-color);
    margin: auto;
}