@property --highlight-color {
    syntax: "<color>";
    inherits: false;
    initial-value: #02a6f7;
}
@property --dark-color {
    syntax: "<color>";
    inherits: false;
    initial-value: #000a0f;
}
@property --light-color {
    syntax: "<color>";
    inherits: false;
    initial-value: #c7ebfc;
}
/*#region Body and Background*/
body {
    background-color: var(--light-color);
    border: 2px solid var(--dark-color);
    border-radius: 16px;
    font-family: verdana;
    margin-left: auto;
    margin-right: auto;
    max-width: 1024px;
    min-width: 256px;
    padding-top: 8px;
    padding-bottom: 24px;
    padding-left: 24px;
    padding-right: 24px;
}
html {
    opacity: 0.8;
    background-image: linear-gradient(135deg, var(--dark-color) 25%, transparent 25%), 
        linear-gradient(225deg, var(--dark-color) 25%, transparent 25%), 
        linear-gradient(45deg, var(--dark-color) 25%, transparent 25%), 
        linear-gradient(315deg, var(--dark-color) 25%, var(--light-color) 25%);
    background-position: 10px 0, 10px 0, 0 0, 0 0;
    background-size: 20px 20px;
    background-repeat: repeat;
}
/*#endregion*/

/*#region Nav*/
nav {
    width: 380px;
    text-align: center;
    margin: auto;
}
nav ul {
    list-style-type: none;
    background-color: var(--light-color);
    border: 4px solid var(--dark-color);
    border-radius: 10px;
    font-weight: bold;
    padding: 16px;
}
nav ul li {
    display: inline;
    border-right: 2px solid var(--dark-color);
    padding-right: 8px;
    padding-left: 8px;
    
}
nav ul li:last-child {
    border-right: none;
}
nav ul li a {
    text-decoration: none;
    color: var(--dark-color);
    font-style: normal;
}
nav ul li a.active {
    color: var(--highlight-color);
}
nav ul li a:hover {
    text-decoration: underline;
}
/*#endregion*/

/*#region Flex*/
.flex-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: stretch;
}
.flex-container div {
    padding: 5px;
    border: 4px solid var(--dark-color);
    border-radius: 25px;
    margin: 5px;
}
.flex-container div h2 {
    text-align: center;
}
div.special-border {
    border: 4px dashed var(--highlight-color);
}
/*#endregion*/

h1 {
    color: var(--highlight-color);
    font-size: 300%;
}

h2 {
    color: var(--highlight-color);
}

p {
    color: var(--dark-color);
    font-size: 120%;
}

a {
    color: var(--highlight-color);
    font-style: italic;
}

div.shifted {
    margin-left: 10px;
    border-left: 2px solid var(--highlight-color);
    padding-left: 20px;
    height: auto;
}

iframe {
    margin-top: 10px;
    border: 2px solid var(--dark-color);
    border-radius: 10px;
}

button {
    display: inline;
    border: none;
    background-color: transparent;
}