:root {
    --nav-bar-width: 320px;
    --background-color: #FEE6FF;
    --btn-color: #eb7ec6;
    --group-child-color: #f0b0e6;
}

::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-thumb {
    background: #888;

    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #666;
}

body {
    margin: 0%;
    background-color: var(--background-color);
    display: flex;
    height: 100svh;
    overflow: hidden;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 1.1em;
}

.body-main {
    margin: 10px;
}

#nav-bar {
    overflow: hidden;
    overflow-y: scroll;
    list-style: none;
    padding: 0px;
    margin: 0px;
    transition: .5s;
    transition-property: width;
    width: var(--nav-bar-width);
    background-color: #ce47a1;
}

.butterfly {
    width: 100px;
    margin: auto;
}

#nav-bar a,
.item {
    margin: 10px;
    width: calc(100% - 40px);
    text-decoration: none;
    color: black;
    background-color: var(--btn-color);
    padding: 10px;
    border-radius: 10px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    transition-property: opacity;
    transition-duration: .5s;
    text-align: center;
    text-decoration: none;
    color: black;
    display: inline-block;
}

.group ul li a {
    background-color: var(--group-child-color) !important;
}

.group>ul {
    list-style: none;
    height: auto;
    max-height: 0px;
    padding-left: 0;
    transition: .5s;
    overflow: hidden;
}

.group.active>ul {
    max-height: 1000px;
}

.logo-404 {
    margin-top: 40px;
    text-align: center;
}

.logo-404 img {
    width: 100%;
    max-width: 400px;
}

footer {
    padding: 20px 10px;
    background-color: #0002;
    margin-top: 20px;
}

footer>div {
    display: flex;
    justify-content: space-around;
}

#nav-bar a:hover {
    opacity: .8;
}

#nav-bar>li>img {
    margin: 30px;
    width: calc(100% - 60px);
}

.page-text {
    width: calc(100% - 40px);
    margin: auto;
    max-width: 900px;
    flex-grow: 1;
    padding: 0 20px;
}

h2 {
    text-align: center;
    font-size: 2em;
    padding-top: 20px;
}

h3{
    text-align: center;
    font-size: 3em;
    padding-top: 20px;
}
#content {
    width: calc(100% - var(--nav-bar-width));
    height: 100%;
    overflow-x: auto;
    display: flex;
    flex-direction: column;
}

.navi-toggle,
.navi-toggle-label {
    display: none;
}

@media screen and (max-width: 800px) {
    :root {
        --nav-bar-width: 100%;
    }

    .navi-toggle:checked~#nav-bar {
        display: none;
    }

    #nav-bar {
        text-align: center;
        width: 100%;
    }

    #content {
        display: none;
    }

    .navi-toggle:checked~#content {
        width: 100%;
        display: block;
    }

    .navi-toggle-label {
        display: block;
        position: fixed;
        left: 0px;
        top: 0px;
        height: 60px;
        width: 60px;
        background-color: var(--btn-color);
        border-bottom-right-radius: 16px;
    }

    .navi-toggle-label div {
        position: relative;
        height: 60px;
        width: 60px;
    }

    .navi-toggle-label div div:nth-child(1) {
        position: absolute;
        top: 40%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 30px;
        height: 4px;
        background-color: var(--background-color);
        border-radius: 2px;
        transition: .3s;

        transform: rotate(45deg);
        top: 45%;
        left: 30%;
    }

    .navi-toggle-label div div:nth-child(2) {
        position: absolute;
        top: 60%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 30px;
        height: 4px;
        background-color: var(--background-color);
        border-radius: 2px;
        transition: .3s;

        transform: rotate(-45deg);
        top: 45%;
        left: 30%;
    }

    .navi-toggle:checked+.navi-toggle-label div div:nth-child(1) {
        position: absolute;
        top: 40%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 30px;
        height: 4px;
        background-color: var(--background-color);
        border-radius: 2px;
        transition: .3s;
    }

    .navi-toggle:checked+.navi-toggle-label div div:nth-child(2) {
        position: absolute;
        top: 60%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 30px;
        height: 4px;
        background-color: var(--background-color);
        border-radius: 2px;
        transition: .3s;
    }

    h2{
        text-align: left;
    }


}