body {
    background: #e4f1ff;
}

.logo p {
    text-align: center;
    font-size: 50px;
    margin: 0;
    text-shadow: 3px 2px 12px rgba(0, 0, 0, .38);
}

nav {
    top: 0;
    margin: 20px auto 0 auto;
    position: -webkit-sticky;
    position: sticky;
    background-color: rgba(0, 17, 47, 0.84);
    width: 100%;
    z-index: 2;
    box-shadow: 0px 2px 3px 0px rgba(0,0,0,0.2);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

    nav a {
        text-align: center;
    }

        nav a.sel {
            background-color: #3b4a65;
        }


.mlink {
    color: #ececec;
    text-decoration: none;
    text-transform: uppercase;
    padding: 10px;
    font-size: 17px;
    letter-spacing: 2px;
    display: block;
    text-shadow: 0px 2px 5px rgba(0,0,0,0.2);
    transition: .3s;
}

    .mlink:hover {
        background-color: #3b4a65;
    }


.main_container {
    box-sizing: border-box;
    margin: 2em auto;
    /*background: rgb(255, 234, 234);*/
    background: rgb(234, 255, 240);
    background: rgb(243, 229, 199);
    width: 80%;
    padding: 1.5em;
    font-size: 16px;
    font-family: sans-serif;
    line-height: 140%;
    box-shadow: 0px 2px 4px 0px rgba(0,0,0,0.6);
    color: #24292e;
}

    .main_container a {
        color: #1493b9;
    }

        .main_container a:visited {
            color: #0a5c96;
        }

        .main_container a:active {
            color: #0b3858;
        }

        .main_container a:hover {
            color: #0c3858;
        }

    .main_container ul {
        text-align: left;
    }

.link-box {
    float: right;
    display: flex;
}

    .link-box a {
        background: #c4d8e7;
        padding: 0.5em;
        color: #062a44;
        text-decoration: none;
        transition: background-color .3s;
        margin-left: 8px;
        box-shadow: 0px 2px 3px 0px rgba(0,0,0,0.5);
    }


        .link-box a:hover {
            background: #b1c5d4;
        }

        .link-box a:visited {
            color: #05243a;
        }


#sidebar {
    width: 38px;
    position: static;
    background: #c0cad6;
    position: absolute;
    right: 0;
    margin-top: 2em;
    transition: width ease-in-out .3s, box-shadow .3s, opacity .3s;
    overflow-x: hidden; /*hide lable when it slides out to the right*/
    box-shadow: 2px 4px 10px 0 rgba(0, 0, 0, 0.3);
    opacity: 0.8;
}

#sidebar_label {
    -ms-writing-mode: tb-lr;
    writing-mode: vertical-rl;
    font-weight: bolder;
    padding: 9px;
    transition: right ease-in-out .2s;
    position: absolute;
    right: 0;
}

#sidebar_content {
    padding: 10px;
    opacity: 0;
    transition: opacity .3s;
    width: max-content; /*prevent content from breaking when coming in from side*/
    width: 202px;
}

    #sidebar_content ul {
        padding: 0;
    }

    #sidebar_content li {
        list-style-type: none;
        padding: 3px 2px;
        background: #f5f7ff;
        border: 1px solid #8c8c8c;
    }

        #sidebar_content li:hover {
            background: #e5e7ee;
        }

        #sidebar_content li:active {
            background: #d9dbe2;
        }

        #sidebar_content li a {
            text-decoration: none;
            color: black;
            display: block; /*make link fill li*/
        }

#sidebar:hover {
    width: 220px;
    box-shadow: 2px 4px 10px 0 rgba(0, 0, 0, 0.5);
    opacity: 1;
}

    #sidebar:hover #sidebar_label {
        right: -40px;
    }

    #sidebar:hover #sidebar_content {
        opacity: 1;
    }

code {
    padding: .2em .4em;
    font-size: 85%;
    background-color: rgba(27,31,35,.07);
    border-radius: 3px;
}


pre.prettyprint {
    overflow: auto;
    background-color: rgb(245, 245, 245);
    padding: 6px 5px !important;
    max-height: 300px;
    border-radius: 3px;
    font-size: 93%;
}






#footer {
    margin: 0 auto;
    width: 80%;
    background-color: grey;
    padding: 3px 1.5em;
    display: flex;
    justify-content: center;
    display: none;
}

    #footer a {
        text-decoration: none;
        color: black;
    }

        #footer a:hover {
            text-decoration: none;
            color: rgb(46, 46, 46);
        }

    #footer img {
        vertical-align: middle;
        height: 20px;
        margin-right: 5px;
    }

    #footer span {
        vertical-align: middle;
    }

table .tab, .tab th, .tab td {
    border: 1px solid gray;
    padding: 5px;
}



@media screen and (max-width: 650px) {

    #sidebar {
        position: relative;
        width: 100%;
        transition: none;
        opacity: 1;
        text-align: center;
        overflow: hidden;
        height: 40px;
    }

        #sidebar:hover {
            height: auto;
            width: 100%;
        }

    #sidebar_label {
        -ms-writing-mode: lr-tb;
        writing-mode: initial;
        position: static;
    }

    #sidebar_content {
        opacity: 1;
        width: auto;
    }

        #sidebar_content p {
            display: none;
        }

    .main_container {
        width: 90%;
    }
}


@media screen and (max-width: 550px) {
    .main_container {
        width: 95%;
    }
}

@media screen and (max-width: 500px) {
    nav {
        flex-direction: column;
        position: relative;
    }

    .main_container {
        width: 100%;
    }
}


@media screen and (max-width: 440px) {
    .link-box {
        float: none;
        justify-content: center;
    }
}