@import url('https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@300&display=swap');

html {
    height: 100%;
}

body {
    background-color: rgb(0, 26, 109);
    color: cyan;
    font-family: sans-serif;
    overflow: hidden;

    /* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#233989+0,2196f3+100 */
    background: #233989; /* Old browsers */
    background: -moz-linear-gradient(top,  #233989 0%, #2196f3 100%); /* FF3.6-15 */
    background: -webkit-linear-gradient(top,  #233989 0%,#2196f3 100%); /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to bottom,  #233989 0%,#2196f3 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#233989', endColorstr='#2196f3',GradientType=0 ); /* IE6-9 */
}

h1 {
    margin: 0;
    padding: 0;
    font-size: 1.15em;
    color: aliceblue;
    text-shadow: 0 1px 0 black;
}

.side-menu {
    display: block;
    overflow-x: hidden;
    overflow-y: auto;
    width: 310px;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    margin: 7px;
}

.main-title{
    font-family: 'Roboto Slab', serif;
    margin: 0;
    padding: 0;
    font-size: 32px;
    color: aliceblue;
    text-shadow: 0 1px 0 black;
    max-width: 300px;
    font-weight: 300;
    cursor: pointer;
}

h2 {
    color: #FFEB3B;
    padding: 0;
    line-height: 30px;
    height: 30px;
    overflow: hidden;
    font-size: 15px;
    margin: 0;
    font-weight: 400;
    text-shadow: 0 1px 1px black;
}

.content-iframe {
    border:0px solid purple;
    position: absolute;
    left: 310px;
    top: 0;
    width: calc( 100% - 310px);
    height: 100%;

    background-color: rgb(210, 210, 210);
    background: #cccccc;
    background: -moz-linear-gradient(top,  #cccccc 0%, #eeeeee 100%);
    background: -webkit-linear-gradient(top,  #cccccc 0%,#eeeeee 100%);
    background: linear-gradient(to bottom,  #cccccc 0%,#eeeeee 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#cccccc', endColorstr='#eeeeee',GradientType=0 );
}

ul {
    list-style: none;
    padding: 0;   
}

li {
    color: cyan;
    padding: 0;
    line-height: 30px;
    height: 30px;
    overflow: hidden;
}

li.selected .menu-op{
    color: white;
}

li:hover {
    color: white;
    display: block;
    cursor: pointer;
}

li:hover .menu-op {
    color: white;
    font-size: 16px; 
}

.menu-op{
    transition: 0.07s;
    color: #38e8ff;
    text-decoration: none;
    font-size: 14px;
    text-shadow: 0 1px 0 black;
    cursor: pointer;
    transform: scale(1);
    transform-origin: 0 0;
    top: 0px;
    line-height: 30px;
    height: 30px;
    width: 100%;
    display: inline-block;
    padding-left: 7px;
}

.gold_star{
    width: 16px;
    height: 16px;
    display: inline-block;
    position: relative;
    top: -1px;
    background-image: url(gold-star-256x256.svg);
    background-size: 16px;
    vertical-align: middle;
    margin-left: 5px;
    line-height: 30px;
}

.silver_star{
    width: 16px;
    height: 16px;
    display: inline-block;
    position: relative;
    top: -1px;
    background-image: url(silver-star-256x256.svg);
    background-size: 16px;
    vertical-align: middle;
    margin-left: 5px;
    line-height: 30px;
}

.external_link{
    width: 16px;
    height: 16px;
    display: inline-block;
    position: relative;
    top: -1px;
    background-image: url(ext-link-256x256.svg);
    background-size: 16px;
    vertical-align: middle;
    margin-left: 5px;
    line-height: 30px;
}