* {
    box-sizing: border-box;
}

html {
    padding: 0;
    margin: 0;
    background: #FFF;
}

body {
    font-family: Helvetica, sans-serif;
    font-size: 95%;
    line-height: 1.5em;
    padding: 0;
    margin: 0;
}

a,
a:link,
a:visited {
    color: blue;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
}

p {
    margin: 0 0 1em 0;
}

.app-header {
    background: #305782;
    padding: 20px;
    color: #FFF;
}

.app-header h1 {
    margin: 0;
    font-size: 1.5em;
}

.login-menu {
    position: absolute;
    top: 20px;
    right: 20px;
}

.login-menu * {
    display: inline-block;
    margin-left: 20px
}

.nav-menu {
    background: #E3E3E3;
}

.nav-menu ul {
    margin: 0;
    padding: 0;
}

.nav-menu ul li {
    list-style-type: none;
    font-size: 100%;
    font-weight: bold;
}

.nav-menu ul.second-level-menu li {
    font-size: 90%;
}

.nav-menu ul li a:link,
.nav-menu ul li a:visited {
    display: block;
    background: #E7ECF2;
    text-decoration: none;
    padding: 10px 20px;
    color: #305782;
    border-bottom: 2px solid #D5DCE4;
}

.nav-menu ul li a span {
    margin-right: 6px;
}

.nav-menu ul li a span i {
    color: gray;
    width: 16px;
}

.nav-menu ul.second-level-menu li a{
    padding-left: 30px;
    background: #D9DFE6;
}

.nav-menu ul li a:hover {
    background: #DBE1E8;
}

.second-level-menu {
    display: none;
}

/* Begin Main Structure */

.sidebar-one {
    background: #E3E3E3;
    width: 250px;
    position: absolute;
    left: 0;
    height: 500px;
    overflow: auto;
    border-right: 1px solid #C8CFD7;
    box-shadow: 0 0 4px rgba(0, 0, 0, .5);
}

.version-info {
    width: 250px;
    font-size: 75%;
    text-align: center;
    color: gray;
    background: #D5DCE4;
    position: absolute;
    bottom: 0;
}

.version-info-inner {
    padding: 10px;
}

.version-info-inner p {
    margin: 0;
}

.main-content {
    overflow: auto;
    position: absolute;
    left: 250px;
    width: calc(100% - 250px);
    height: 500px;
}

.main-content-inner {
    padding: 20px;
}

table {
    width: 100%;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, .5);
}

table, th, td {
    border: 1px solid #C8CFD7;
    border-collapse: collapse;
    padding: 6px;
}

th, td {
    max-width: 700px;
}

tr:nth-child(odd) {
    background: #E7ECF2;
}

tr:first-child {
    background: #DBE1E8;
}

tr:hover {
    background: #DBE1E8;
}

.tile-container {

}

.flex-box {
    margin: 20px 0 0 0;
    border: 1px solid #C8CFD7;
    border-radius: 3px;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, .5);
}

.flex-box-header {
    padding: 10px;
    background: #DBE1E8;
    font-weight: bold;
}

.flex-box-body {
    padding: 10px;
    border-top: 1px solid #C8CFD7;
    border-bottom: 1px solid #C8CFD7;
}

.flex-box.user-box .flex-box-body,
.flex-box.video-box .flex-box-body,
.flex-box.link-box .flex-box-body {
    display: flex;
}

.flex-box-body div.user-image,
.flex-box-body div.video-thumbnail {
    height: 150px;
    width: 150px;
}

.flex-box-body div {
    width: 100%;
}

.flex-box-body div:first-child {
    margin-right: 10px;
}

.flex-box-body span {
    padding: 5px 0;
    border-bottom: 1px solid #E7ECF2;
}

.flex-box-body span:last-child {
    border-bottom: none;
}

.flex-box-body span,
.flex-box-body div span {
    display: block;
}

.flex-box-footer {
    display: flex;
    background: #E7ECF2;
}

.flex-box-footer span {
    padding: 10px;
    width: 50%;
    font-size: 80%;
    border-right: 1px solid #C8CFD7;
    white-space: nowrap;
}

.flex-box-footer span:last-child {
    border-right: none;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="submit"] {
    height: 20px;
    width: 300px;
    padding: 3px;
    font-size: 90%;
    border: 1px solid #D5DCE4;
    box-sizing: content-box;
    background: none;
    outline: none;
}

input[type="submit"] {
    box-shadow: 2px 2px 4px rgba(0, 0, 0, .5);
}

/*
input[type="submit"]:active {
    margin: 1px 0 0 1px;
}
*/

.form-group {
    padding-bottom: 10px;
}

.form-group label {
    display: inline-block;
    min-width: 120px;
}

/* login.php */

.container {
    margin: 0 auto;
    max-width: 960px;
}

.login-form {
    width: 450px;
    padding: 20px;
    margin: 300px auto 0 auto;
    border: 1px solid #C8CFD7;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, .5);
}

/* Tablet Size */
@media screen and (max-width: 786px) {
    .sidebar-one {
        width: 60px;
    }

    .sidebar-one ul li a span:first-child {
        font-size: 100%;
        text-align: center;
    }

    .sidebar-one ul li a span:nth-child(2) {
        display: none;
    }

    .sidebar-one ul.second-level-menu li a {
        padding-left: 20px;
    }

    .version-info {
        display: none;
    }

    .main-content {
        left: 60px;
        width: calc(100% - 60px);
    }

    .main-content-inner table {
        display: none;
    }
}

/* Phone Size L */
@media screen and (max-width: 440px) {
    .sidebar-one {
        width: 100%;
        position: relative;
        height: 100%;
    }

    .sidebar-one ul li a span:nth-child(2) {
        display: inline;
    }

    .version-info {
        display: none;
    }

    .main-content {
        width: 100%;
        position: relative;
        left: 0;
    }

    .main-content-inner {
        padding: 10px;
    }

    .flex-box.link-box .flex-box-body {
        display: block;
    }

    .flex-box-body span {
        padding: 5px 0;
        border-bottom: 1px solid #E7ECF2 !important;
    }

    .flex-box-body div:last-child span:last-child {
        border-bottom: none !important;
    }
}