header {
    display: flex;
    justify-content:space-between;
    align-items: stretch;
    align-content: stretch;
    background-color: #555;
}

header .headerLeft{
    height: 60px;
    display: inline-block;
}

header .subject{
    font-size: 1.875em; /* 30px/16=1.875em */
}

header .openAside{
    font-size: 20px;
    cursor: pointer;
    background-color: #111;
    color: white;
    height: 100%;
    border: none;
}

header .openAside:hover{
    cursor: pointer;
    color: red;
}


header .icohead{
    cursor: pointer;
    height: 100%;
    filter: grayscale(0);
}
header .icohead:hover{

    filter: grayscale(10);

}

header .headerMidlle{
        height: 60px;
    display: inline-block;
}

header .headerRight{
        height: 60px;
    display: inline-block;
}


.imgHome{
    height: 100%;
}








/* Reset & Basics */
header ul {
    list-style: none;
    margin: 0;
    padding: 0;
    margin-block-start: 0em;
    margin-block-end: 0em;
    padding-inline-start: 00px;

}

header a {
    text-decoration: none;
    color: #fff;
    display: block;

    border-radius: 5px;
    transition: all 0.3s ease;
}


.headerTab {
    /*background: #444;
    border-radius: 20px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 300px;
    margin: auto;
    box-shadow: 8px 8px 16px #3a3a3a, -8px -8px 16px #4e4e4e;*/
}

/* Tab Up - Hidden by default */
.headerTabUp {
    display: none;
    flex-direction: column;
    gap: 0px;
    animation: fadeIn 0.4s ease forwards;
}
.headerTabUp.active {
    display: flex;
}
.headerTabUp ul li a:hover {
    background: #666;
}

/* Tab Down */
.headerTabDown ul li a {

}
.headerTabDown ul li a:hover {
    background: #555;
}

/* Current selected tab */
.headerTabDown ul li a.current {
    background: #666;

}

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 600px) {
    .headerTab {
        max-width: 90%;
    }
    .headerTabDown ul li a {
        font-size: 14px;

    }
}

.headerTab.horizontal {
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.headerTabUp ul,
.headerTabDown.horizontal-tabs ul {
    display: flex;
    flex-direction: row;
    gap: 10px;
    justify-content: center;
}

.headerTabUp ul li a,
.headerTabDown ul li a {
    white-space: nowrap;
}