body {
    background: #202020;
    color: #fff;
    font-family: YuGothic,'Yu Gothic','Yu Gothic UI','ヒラギノ角ゴシック','Hiragino Sans','Meiryo UI',sans-serif;
    margin:0px;
    width: 100%;
}
p {
    margin-bottom: 0px;
}
#icon {
    position:fixed;
    margin-top: 10px;
    margin-left:10px;
}
.container {
    top: 0;
    background: #252525;
    margin:0px;
    margin-left: 120px;
    min-height: 100%;
    width: calc(100% - 120px);
}

.contents {
    margin-left:20px;
}

.objectBox {
    background-color: #202020;
    margin: 10px;
    border-radius: 10px;
}
.objectInner {
    margin: 10px;
}
#nav {
    position:fixed;
    top: 50vh;
    left: 60px;
    transform: translateY(-50%) translateX(-50%);
    background: #181818;
    border-radius: 4px;
    font-size: 12px;
    width:80px;
    color: #999;
}

.navBtn {
    height: 80px;
    width: 80px;
    text-align:center;
    user-select: none;
}

.btnContent {
    height: 60px;
    transform: translateY(30%);
}

.activeBtn {
    filter: brightness(1.8);
}
a:link {
    color: lightblue;
}

a:visited {
    color: gray;
}
/*scrollbar*/
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    border-radius: 6px;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, .3);
}

::-webkit-scrollbar-thumb {
    background-color: rgba(85, 85, 85, 0.5);
    box-shadow:-2px -2px -2px -2px rgba(255, 255, 255, .3);
}