nav
{
    position: fixed;
    width: 100%;
    height: 50px;
    background-color: var(--kolor-podstawowy);
    display: flex;
    justify-content: space-between;
    box-shadow: 0px 0px 20px -5px black;
    z-index: 10;
}
nav img
{
    width: 30px;
    height: 30px;
    margin: 10px;
    user-select: none;
    transition: filter 150ms linear;
}
nav img:hover
{
    cursor: pointer;
}
nav img.on
{
    filter: invert(100%);
}
nav p
{
    height: 30px;
    margin: 10px;
    font-size: 30px;
    color: rgb(39, 39, 39);
    font-family: Arial;
}
.container
{
    position: fixed;
    top: -60px;
    padding: 60px 0 10px 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    background-color: var(--kolor-bialy);
    transition: top 100ms linear;
    z-index: 9;
}
.containeron
{
    top: 0px;
}
.container img
{
    max-width: 30px;
    max-height: 30px;
    transition: filter 100ms linear;
}

.container img:hover
{
    cursor: pointer;
    filter:  invert(100%) drop-shadow(0 0 3px black);
}
.container .imgon
{
    cursor: pointer;
    filter:  invert(100%) drop-shadow(0 0 3px black);
}
.subcontainer
{
    position: fixed;
    top: -60px;
    padding: 60px 0 10px 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    background-color: var(--kolor-bialy);
    transition: top 100ms linear;
    z-index: 8;
}
.subcontaineron
{
    top: 60px;
}
.subcontainer img
{
    max-width: 30px;
    max-height: 30px;
    transition: filter 100ms linear;
}
.subcontainer img:hover
{
    cursor: pointer;
    filter:  invert(100%) drop-shadow(0 0 3px black);
}
.user
{
    position: fixed;
    right: -50px;
    padding: 60px 10px 0 10px;
    background-color: var(--kolor-bialy);
    max-width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    transition: right 100ms linear;
    z-index: 9;
}
.useron
{
    right: 0px;
}
.user img
{
    max-height: 30px;
    transition: filter 100ms linear;
}
.user img:hover
{
    cursor: pointer;
    filter:  invert(100%) drop-shadow(0 0 3px black);
}