* {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
  }

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f1f1f1;
  }

header, nav, main, footer {
    margin: 0 auto;
    width: 80%;
    max-width: 1200px
}

header {
    padding: 30px;
    text-align: left;
    background: #6B6E70;
    box-shadow:0 4px 10px 0 rgba(0,0,0,0.2),0 4px 20px 0 rgba(0,0,0,0.19);
    border-radius: 5px 5px 0px 0px;
}

header > h1 {
    font-family: 'Courier New', Courier, monospace;
    font-size: 40px;
    padding: 0px;
    margin: 0px;
    color: #f2f2f2;
}

nav.menu {
    overflow: hidden;
    background-color: #222629;
    border-radius: 0px 0px 5px 5px;
    box-shadow:0 4px 10px 0 rgba(0,0,0,0.2),0 4px 20px 0 rgba(0,0,0,0.19);
}

nav a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
  }

nav a:hover {
    background-color: #f2f2f2;
    color: #222629;
  }

nav.menu a.active {
    background-color: #86C232;
    color: white;
  }

main {
    padding: 0px;
}

main > a:link, main > a:visited, main > a:hover, main > a:active {
    text-decoration: none;
    color: #222629;
}

section {
    border-radius: 5px;
    margin-top: 20px;
    padding: 20px;
    background-color: #f8f8f8;
    box-shadow:0 4px 10px 0 rgba(0,0,0,0.2),0 4px 20px 0 rgba(0,0,0,0.19);
    display: flex;
}

section:hover {
    background-color: #dfdfdf;
}

section > div > h2 {
    margin: 0px;
}

section > div > img {
    margin-right: 20px;
}

section > div {

    margin-top: auto;
    margin-bottom: auto;
}

section > div > p {
    margin: 16px 0px 0px 0px;
}

.snippet {
    border-radius: 5px;
    margin-top: 20px;
    padding: 20px;
    background-color: #f8f8f8;
    box-shadow:0 4px 10px 0 rgba(0,0,0,0.2),0 4px 20px 0 rgba(0,0,0,0.19);

}

.snippet:hover {
    background-color: #f0eeee;
}

.snippet > h2 {
    margin: 0px;
}

.snippet > div {

    margin-top: auto;
    margin-bottom: auto;
}

.snippet > p {
    margin: 16px 0px 0px 0px;

}

.post {
    margin: 0;
    box-shadow:0 4px 10px 0 rgba(0,0,0,0.2),0 4px 20px 0 rgba(0,0,0,0.19);
    border-radius: 5px 5px 5px 5px;
}

.post_title > h1 {
    background-color: #86C232;
    font-size: 40px;
    margin: 20px 0px 0px 0px;
    padding: 20px 40px 20px 40px;
    font-weight: bold;
    color: white;
    border-radius: 5px 5px 0px 0px;
}

article {
    border-radius: 0px 0px 5px 5px;
    margin-top: 0px;
    padding: 20px 40px 20px 40px;
    background-color: #f8f8f8;
}

article > h1 {
    font-size: 26px;
    margin: 15px 0px 15px 0px;
    color: #222629;
}

article > h2 {
    font-size: 26px;
    margin: 15px 0px 15px 0px;
    color: #222629;
}

article > h3 {
    font-size: 18px;
    margin: 10px 0px 10px 0px;
    font-weight: bold;
    color: #6B6E70;
}

article > p {
    font-size: 16px;
    margin: 0px 0px 15px 0px;
    line-height: 1.4;
}

.image_responsive {
    width: 100%;
    height: auto;
}

.image_shadow {
    border-radius: 5px;
    box-shadow:0 4px 10px 0 rgba(0,0,0,0.2),0 4px 20px 0 rgba(0,0,0,0.19);
}

.image_centred {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.image_800px {
    max-width: 800px;
}

.image_500px {
    max-width: 500px
}

.image_300px {
    max-width: 300px
}

.image_100px {
    max-width: 100px
}

nav.back_forward_nav {
    margin-top: 20px;
    overflow: hidden;
    background-color: #222629;
    border-radius: 5px 5px 0px 0px;
    box-shadow:0 4px 10px 0 rgba(0,0,0,0.2),0 4px 20px 0 rgba(0,0,0,0.19);
}

.nav_button_disabled {
    background-color: #222629;
    color: #636363;
    pointer-events: none;
    cursor: default;
}

.nav_button_disabled:hover {
    background-color: #222629;
    color: #636363;
}

.codehilite code{
    color: #d0d0d0;
    font-family: 'Courier New', Courier, monospace;
}

p > code {
    color: #86C232;
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    margin:0px 5px 0px 5px;
}

li > code {
    color: #86C232;
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    margin:0px 5px 0px 5px;
}

code span {
    font-family: 'Courier New', Courier, monospace;
}

footer {
    font-family: 'Courier New', Courier, monospace;
    color: white;
    background-color: #6B6E70;
    padding: 15px;
    text-align: right;
    font-size: 12px;
    border-radius: 0px 0px 5px 5px;
    box-shadow:0 4px 10px 0 rgba(0,0,0,0.2),0 4px 20px 0 rgba(0,0,0,0.19);
}

.codehilite pre {
    background-color: #404040;
    padding: 15px;
    font-size: 16px;
    border-radius: 5px;
    box-shadow:0 4px 10px 0 rgba(0,0,0,0.2),0 4px 20px 0 rgba(0,0,0,0.19);
    overflow-x: auto;
}

.codehilite .hll { background-color: #404040 }
.codehilite .c { color: #999999; font-style: italic } /* Comment */
.codehilite .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.codehilite .g { color: #d0d0d0 } /* Generic */
.codehilite .k { color: #6ab825; font-weight: bold } /* Keyword */
.codehilite .l { color: #d0d0d0 } /* Literal */
.codehilite .n { color: #d0d0d0 } /* Name */
.codehilite .o { color: #d0d0d0 } /* Operator */
.codehilite .x { color: #d0d0d0 } /* Other */
.codehilite .p { color: #d0d0d0 } /* Punctuation */
.codehilite .cm { color: #999999; font-style: italic } /* Comment.Multiline */
.codehilite .cp { color: #cd2828; font-weight: bold } /* Comment.Preproc */
.codehilite .c1 { color: #999999; font-style: italic } /* Comment.Single */
.codehilite .cs { color: #e50808; font-weight: bold; background-color: #520000 } /* Comment.Special */
.codehilite .gd { color: #d22323 } /* Generic.Deleted */
.codehilite .ge { color: #d0d0d0; font-style: italic } /* Generic.Emph */
.codehilite .gr { color: #d22323 } /* Generic.Error */
.codehilite .gh { color: #ffffff; font-weight: bold } /* Generic.Heading */
.codehilite .gi { color: #589819 } /* Generic.Inserted */
.codehilite .go { color: #cccccc } /* Generic.Output */
.codehilite .gp { color: #aaaaaa } /* Generic.Prompt */
.codehilite .gs { color: #d0d0d0; font-weight: bold } /* Generic.Strong */
.codehilite .gu { color: #ffffff; text-decoration: underline } /* Generic.Subheading */
.codehilite .gt { color: #d22323 } /* Generic.Traceback */
.codehilite .kc { color: #6ab825; font-weight: bold } /* Keyword.Constant */
.codehilite .kd { color: #6ab825; font-weight: bold } /* Keyword.Declaration */
.codehilite .kn { color: #6ab825; font-weight: bold } /* Keyword.Namespace */
.codehilite .kp { color: #6ab825 } /* Keyword.Pseudo */
.codehilite .kr { color: #6ab825; font-weight: bold } /* Keyword.Reserved */
.codehilite .kt { color: #6ab825; font-weight: bold } /* Keyword.Type */
.codehilite .ld { color: #d0d0d0 } /* Literal.Date */
.codehilite .m { color: #3677a9 } /* Literal.Number */
.codehilite .s { color: #ed9d13 } /* Literal.String */
.codehilite .na { color: #bbbbbb } /* Name.Attribute */
.codehilite .nb { color: #24909d } /* Name.Builtin */
.codehilite .nc { color: #447fcf; text-decoration: underline } /* Name.Class */
.codehilite .no { color: #40ffff } /* Name.Constant */
.codehilite .nd { color: #ffa500 } /* Name.Decorator */
.codehilite .ni { color: #d0d0d0 } /* Name.Entity */
.codehilite .ne { color: #bbbbbb } /* Name.Exception */
.codehilite .nf { color: #447fcf } /* Name.Function */
.codehilite .nl { color: #d0d0d0 } /* Name.Label */
.codehilite .nn { color: #447fcf; text-decoration: underline } /* Name.Namespace */
.codehilite .nx { color: #d0d0d0 } /* Name.Other */
.codehilite .py { color: #d0d0d0 } /* Name.Property */
.codehilite .nt { color: #6ab825; font-weight: bold } /* Name.Tag */
.codehilite .nv { color: #40ffff } /* Name.Variable */
.codehilite .ow { color: #6ab825; font-weight: bold } /* Operator.Word */
.codehilite .w { color: #666666 } /* Text.Whitespace */
.codehilite .mf { color: #3677a9 } /* Literal.Number.Float */
.codehilite .mh { color: #3677a9 } /* Literal.Number.Hex */
.codehilite .mi { color: #3677a9 } /* Literal.Number.Integer */
.codehilite .mo { color: #3677a9 } /* Literal.Number.Oct */
.codehilite .sb { color: #ed9d13 } /* Literal.String.Backtick */
.codehilite .sc { color: #ed9d13 } /* Literal.String.Char */
.codehilite .sd { color: #ed9d13 } /* Literal.String.Doc */
.codehilite .s2 { color: #ed9d13 } /* Literal.String.Double */
.codehilite .se { color: #ed9d13 } /* Literal.String.Escape */
.codehilite .sh { color: #ed9d13 } /* Literal.String.Heredoc */
.codehilite .si { color: #ed9d13 } /* Literal.String.Interpol */
.codehilite .sx { color: #ffa500 } /* Literal.String.Other */
.codehilite .sr { color: #ed9d13 } /* Literal.String.Regex */
.codehilite .s1 { color: #ed9d13 } /* Literal.String.Single */
.codehilite .ss { color: #ed9d13 } /* Literal.String.Symbol */
.codehilite .bp { color: #24909d } /* Name.Builtin.Pseudo */
.codehilite .vc { color: #40ffff } /* Name.Variable.Class */
.codehilite .vg { color: #40ffff } /* Name.Variable.Global */
.codehilite .vi { color: #40ffff } /* Name.Variable.Instance */
.codehilite .il { color: #3677a9 } /* Literal.Number.Integer.Long */

/* For small screens increase the width and adjust text sizes */
@media screen and (max-width: 900px) {
    header, nav, main, footer {
      width: 100%;
    }

    header {
        padding: 10px;
    }

    header > h1 {
        font-size: 24px;
    }

    body {
        margin-left: 5px;
        margin-right: 5px;
    }

    nav > a {
        padding: 10px 12px;
        font-size: 14px;
    }

    section {
        margin-top: 10px;
    }

    .snippet {
        margin-top: 10px;
    }

    article {
        padding: 7px;
    }

    .post_title > h1 {
        font-size: 20px;
        margin: 10px 0px 0px 0px;
        padding: 10px;
    }

    article > h1 {
        font-size: 20px;
        margin: 10px 0px 10px 0px;
    }

    article > h2 {
        font-size: 20px;
        margin: 10px 0px 10px 0px;
    }

    .codehilite pre {
        font-size: 14px;
    }
    nav.back_forward_nav {
        margin-top: 10px;
    }
}