/* fonts */
.courier-prime-regular {
    font-family: "Courier Prime", monospace;
    font-weight: 400;
    font-style: normal;
}

.courier-prime-bold {
    font-family: "Courier Prime", monospace;
    font-weight: 700;
    font-style: normal;
}

.courier-prime-regular-italic {
    font-family: "Courier Prime", monospace;
    font-weight: 400;
    font-style: italic;
}

.courier-prime-bold-italic {
    font-family: "Courier Prime", monospace;
    font-weight: 700;
    font-style: italic;
}

.space-mono-regular {
    font-family: "Space Mono", monospace;
    font-weight: 400;
    font-style: normal;
}

.space-mono-bold {
    font-family: "Space Mono", monospace;
    font-weight: 700;
    font-style: normal;
}

.space-mono-regular-italic {
    font-family: "Space Mono", monospace;
    font-weight: 400;
    font-style: italic;
}

.space-mono-bold-italic {
    font-family: "Space Mono", monospace;
    font-weight: 700;
    font-style: italic;
}



/* main page */

* {
    box-sizing: border-box;
}

body {
    font-family: "Space Mono";
    background-color: #96dbff;
}

h1, h2, h3 {
    font-family: "Courier Prime";
    text-transform: uppercase;
}

h1 {
    font-size: 45px;
    text-align: left;
    color: white;
    padding-top: 0;
    margin-top: 0;
    margin-bottom: 0;
    padding-left: 3px;
}

h2 {
    font-size: 30px;
    text-align: center;
    color: #9f72ef;
    margin-top: 3px;
    margin-bottom: 10px;
}

h3 {
    margin-top: 50px;
    margin-bottom: 0px;
}

header {
    background-image: linear-gradient(to bottom, #4593f9 0%, #3176ee 10%, #113d8a 90%, #0a2f6e 100%);
    height: 50px;
    width: 1305px;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid #073763;
    display: inline-block;
}

nav {
    font-family: "Space Mono";
    float: left;
    width: 265px;
    background: #ccc;
    border: 1px solid #999;
    padding-top: 5px;
    padding-left: 30px;
    color: white;
    height: 650px;
    margin-right: 0;
    margin-left: auto;
}

sidebar {
    float: left;
    width: 265px;
    background: #ccc;
    border: 1px solid #999;
    padding: 30px;
    color: white;
    height: 650px;
    margin-left: 0;
    margin-right: auto;
}

nav ul {
    list-style-type: none;
    text-decoration: none;
    padding: 0;
}

article {
    float: left;
    padding: 10px;
    margin: 0;
    width: 775px;
    height: 650px;
    background-color: #e2f5ff;
    border: 1px solid #999;
    color: #413887;
    flex: 1;
    overflow-y: auto;
}

section {
    margin-left: auto;
    margin-right: auto;
}

section::after {
    content: "";
    display: table;
    clear: both;
    padding: 0;
    margin: 0;
    height: auto;
}

footer {
    background-color: #afaaf6;
    padding-top: 0;
    text-align: center;
    font-size: 13px;
    color: white;
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 55px;
    float: center;
}

table, th, td {
    border: 1px solid black;
    border-collapse: collapse;
    width: 150px;
    font-family: "Space Mono";
    background-color: white;
    text-transform: uppercase;
    color: black;
    font-weight: 400;
    margin: auto;
}

a {
    text-decoration: none;
    color: white;
}

@media (max-width: 600px) {
    nav, article {
        width: 100%;
        height: auto;
  }
}

.button {
    font-family: "Space Mono";
    background-image: linear-gradient(to bottom, #0ff 0%, #37cff5 10%, #6d9eeb 90%, #6a76c9 100%);
    border: 1px solid #4a86e8;
    border-radius: 100px;
    padding: 5px;
    width: 200px;
    height: 50px;
    text-align: center;
    margin-bottom: 10px;
    margin-top: 0px;
    cursor: pointer;
}

.buttoncurrent {
    font-family: "Space Mono";
    background-image: linear-gradient(to top, #0ff 0%, #37cff5 10%, #6d9eeb 90%, #6a76c9 100%);
    border: 1px solid #4a86e8;
    border-radius: 100px;
    padding: 5px;
    width: 200px;
    height: 50px;
    text-align: center;
    margin-bottom: 10px;
    margin-top: 0px;
    cursor: pointer;
}

.button:hover {
    font-weight: 700;
    background-image: linear-gradient(to bottom, #0ff 0%, #37cff5 20%, #6d9eeb 80%, #6a76c9 100%);
}

.button:active {
    background-image: linear-gradient(to top, #0ff 0%, #37cff5 10%, #6d9eeb 90%, #6a76c9 100%);
}

.main-center {
    display: grid;
    place-items: center;
    margin-left: auto;
    margin-right: auto;
}