/*
body {
    background-color: #ffffff;
    color: #000000;
    font-family: Arial, sans-serif;
}

header, footer {
    text-align: center;
    padding: 10px;
    background-color: #007ac3;
    color: #cecece;
}
*/
.logo {
    float: left;
}

.datetime {
    float: right;
}

section {
    padding: 10px;
}

iframe {
    width: 100%;
    height: 700px;
    border: none;
}

button {
    display: block;
    margin: 10px auto;
    padding: 10px 20px;
    background-color: #005fa3;
    color: #cecece;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #004080;
}


    #header {
        margin:auto;
        width:100%;
        font-family:Arial, Helvetica, sans-serif;
    }

    ul, ol {
        list-style:none;
    }

    .nav > li {
        float:left;
    }

    .nav li a {
        background-color:#007ac3;
        color:#fff;
        text-decoration:none;
        padding:10px 12px;
        display:block;
    }

    .nav li a:hover {
        background-color:#001ac3;
    }

    .nav li ul {
        display:none;
        position:absolute;
        min-width:140px;
    }

    .nav li:hover > ul {
        display:block;
    }

    .nav li ul li {
        position:relative;
    }

    .nav li ul li ul {
        right:-140px;
        top:0px;
    }

//---------------------
/* Target the UL LI structure inside the div with ID simpleul */
#simpleul ul {
    list-style-type: none;
    padding-left: 20px;
    position: relative;
}

#simpleul ul ul {
    margin-left: 20px;
}

#simpleul ul li {
    margin: 5px 0;
    padding-left: 20px;
    position: relative;
}

/* Lines connecting the hierarchy */
#simpleul ul li::before, #simpleul ul li::after {
    content: '';
    position: absolute;
    left: -10px;
    border-left: 1px solid lightgray;
}

#simpleul ul li::before {
    top: 0;
    bottom: 50%;
    height: 100%;
    width: 10px;
}

#simpleul ul li::after {
    top: 50%;
    width: 10px;
    height: 50%;
}

#simpleul ul li:last-child::before {
    bottom: 50%;
}

#simpleul ul li:last-child::after {
    height: 0;
}