* {
    box-sizing: border-box;
}

.header-panel {
    background-color: #009587;
    height: 144px;
    position: relative;
    z-index: 3;
}

.header-panel div {
    position: relative;
    height: 100%;
}

.header-panel h1 {
    color: #FFF;
    font-size: 20px;
    font-weight: 400;
    position: absolute;
    bottom: 10px;
    padding-left: 35px;
}

.menu {
    overflow: auto;
    padding: 0;
}

.menu, .menu * {
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

.menu ul {
    padding: 0;
    margin: 7px 0;
}

.menu ul li {
    list-style: none;
    padding: 20px 0 20px 50px;
    font-size: 15px;
    font-weight: normal;
    cursor: pointer;
}

.menu ul li.active {
    background-color: #dedede;
    position: relative;
}

.menu ul li a {
    color: rgb(51, 51, 51);
    text-decoration: none;
}

.pages {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 4;
    padding: 0;
    overflow: auto;
}

.pages > div {
    padding: 0 5px;
    padding-top: 64px;
}

.pages .header {
    color: rgb(82, 101, 162);
    font-size: 24px;
    font-weight: normal;
    margin-top: 5px;
    margin-bottom: 60px;
    letter-spacing: 1.20000004768372px;
}

.page {
    transform: translateY(1080px);
    transition: transform 0 linear;
    display: none;
    opacity: 0;
    font-size: 16px;
}

.page.active {
    transform: translateY(0px);
    transition: all 0.3s ease-out;
    display: block;
    opacity: 1;
}

#opensource {
    color: rgba(0, 0, 0, 0.62);
    position: fixed;
    margin-top: 50px;
    margin-left: 50px;
    z-index: 100;
}

#source-modal h4 {
    color: black;
}