ul.submenu {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
    display: inline-flex;
}
.submenu li {
    float: left;
    border-right:1px solid #bbb;
}
.submenu li:last-child {
    border-right: none;
}
.submenu li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: smaller;
}
.submenu li a:hover:not(.submenu-label-active) {
    background-color: #3f7274;
}
.submenu .submenu-label-active {
    background-color: #4a6076ed;
    width: 12rem;
    text-align: center;
    font-weight: bold;
    position: relative;
    padding-top: 0.75rem;
    font-size: smaller;
}

.container {
    display: none;
    box-sizing: border-box;
    position: absolute;
    left: 0.5%;
    top: 5rem; 
    height: calc(100% - 6.5rem);
    width: 99%;
    background: #c6c7cb;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 5px 5px 10px rgb(0 0 0 / 50%);
}

.container.main-area {
    /* background: url(/app/images/photo.jpg) no-repeat;  */
    background: #c6c7cb;
    background-size: 100%;
} 

.content {
    text-align: justify;
    color: black;
    position: relative;
    border-top: 1px solid #a9a7a7;
    padding: 0.5rem;
    height: calc(100% - 1rem);
}

.content h1 {
    font-size: 1.5rem !important;
    margin: 0.17rem 0;
}

.subitem-tab {
    display: none;
    height: 96%;
}

.tab-content {
    border: 1px solid #a9a7a7;
    height: calc(100% - 4.5rem);
    overflow-y: auto;
    border-radius: 5px;
    padding: 5px;
}

.tab-button-area {
    border: 1px solid #a9a7a7;
    height: 2rem;
    margin-top: 10px;
    border-radius: 5px;
    padding: 5px;
}

h1 {
    /* font-weight: 900; */
    text-align: center;
}

h3 {
    font-weight: 300;
}

.shift-right {
    transform: translatex(10%);
    width: 83%;
}