.folder {
    cursor: pointer;
    border: none;
    outline: none;
    text-align: left;
    background-color: grey;
    width: 100%;
    padding: 5px;
    font-size: 15px;
    font-style: normal;
    color: white;
}
.folder::after {
    content: "\002B";
    color: white;
    font-weight: bold;
    float: right;
}
.folder:hover, .unfold {
    background-color: dimgrey;
}
.unfold::after {
    content: "\2212";
}
.foldee {
    max-height: null;
    overflow: hidden;
    background-color: lightgrey;
    padding: 0px 15px;
}
.info-area {
    border: none;
    outline: none;
    float: left;
    height: 100%;
    width: 815px;
    font-family: Helvetica, sans-serif;
}
.side-area {
    border: none;
    outline: none;
    height: 100%;
    width: 99px;
    display: inline-block;
}
.side-item {
    display: block;
    width: 99px;
    height: 24px;
}
.banner-area {
    background-color: lightcyan;
    position: sticky;
    top: 0;
    width: 100%;
}
.banner-item {
    border-style: outset;
    font-size: 17px;
    text-align: center;
    vertical-align: middle;
    text-decoration: none;
    display: inline-block;
    width: 23%;
    cursor: pointer;
}
.unbump {
    border-style: inset;
}
.page-area {
    hidden: true;
}
.section-area {
    border: none;
    outline: none;
    background-color: lightyellow;
}
.section-title {
    font-size: 30px;
    font-style: bold;
    color: black;
    display: block;
}
.fraction-item {
    position: absolute;
    right: 40px;
    font-size: 15px;
    font-style: normal;
}
.tuckee {
    position: relative;
    left: 0px;
    width: 100%;
    max-height: 0px;
    overflow: hidden;
    background-color: lightyellow;
    color: black;
    transition: max-height 0.5s ease-in-out;
}
.tuckee-item {
    display: inline-block;
    vertical-align: baseline;
    text-align: left;
    width: 232px;
    height: 20px;
    font-size: 14px;
    overflow: auto;
}
.untuck {
    display: block;
}
.veiler {
    cursor: pointer;
    font-style: bold;
    font-size: 20px;
    color: black;
    width: fit-content;
    padding: 0px;
    display: inline-block;
}
.veilee {
    position: absolute;
    visibility: hidden;
    overflow: hidden;
    z-index: 1;
    margin: 0px;
    font-size: 15px;
    font-style: normal;    
    width: 95%;
    background-color: black;
    color: white;
    white-space: pre-line;
}
.unveil {
    visibility: visible;
}
a::after {
    content: attr(href);
}
.dslabs-log {
    border: none;
    outline: none;
    float: left;
    height: 200px;
    width: 800px;
    overflow: scroll;
}
.mllabs-log {
    border: none;
    outline: none;
    float: left;
    height: 200px;
    width: 800px;
    overflow: scroll;
}
@media only screen and (max-device-width: 480px) 
{
    .folder {
        padding: 15px;
    }
    .side-item {
        height: 99px;
    }
    .veiler {
        padding: 10px;
        font-size: 30px;
    }
}