Practice/_src/admin/scss/common/_layout.scss

html {
  font-size:12px;
}
body {
  height:100vh;
  min-width:1200px;
  &.iframe {
    min-width:0;
  }
}
$header-height : 0px;
$nav-height : 44px;
/*
#header {
  position:relative;
  @include display-flex();
  height:$header-height;
  background:#282828;
  padding:0 30px;
  z-index:101;
  align-items: center;

  .logo {
    display:block;
    color:#fff;
    font-size:19px;
  }

  .top-navs {
    -ms-flex:1;
    -webkit-flex:1;
    flex:1;
  }


  .btn-top-action {
    padding:14px;
    cursor:pointer;
    background:transparent;
    position:relative;
    color:#fff;
    border:0 none;
    outline:none !important;
    font-size:13px;

    i {
      font-size:20px;
      vertical-align: middle;
    }
  }

  .btn-user {
    display:inline-block;

    .btn-top-action {

      &:after {
        content:"\f107";
        font-family:'Font Awesome 5 Pro';
        position:absolute;
        right:0px;
        top:50%;
        -webkit-transform: translateY(-50%);
        -moz-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
        -o-transform: translateY(-50%);
        transform: translateY(-50%);
      }
    }
  }
}

#nav {
  position:relative;
  z-index: 100;
  width: 100%;
  height: $nav-height;
  background-color: #ffffff;
  border-bottom: 1px solid #e6e6e6;
  padding:0 30px;

  .main-navigation {
    @include display-flex();
    height:$nav-height;
    padding:0;
    margin:0;
    list-style:none;
    flex-wrap:wrap;

    > li {
      display:block;
      position:relative;
      margin-right:30px;

      > a {
        @include display-flex();
        height:$nav-height;
        justify-content: center;
        align-items: center;
        color:#979797;
        font-size:0;
        font-weight:500;
        padding-left:0;
        padding-right:45px;
        position:relative;
        font-family: NanumSquare;

        &:after {
          content:"\f107";
          font-family:'Font Awesome 5 Pro';
          position:absolute;
          font-size:15px;
          right:15px;
          top:50%;
          -webkit-transform: translateY(-50%);
          -moz-transform: translateY(-50%);
          -ms-transform: translateY(-50%);
          -o-transform: translateY(-50%);
          transform: translateY(-50%);
        }

        i, span {
          font-size:14px;
        }

        i + span {
          margin-left:6px;
        }
      }

      &.active {
        > a {
          color:#282828;
        }
      }

      > ul {
        height:0;
        visibility: hidden;
        opacity:0;
        z-index:101;
        position:absolute;
        top:100%;
        left:0;
        width:150px;
        background:#fff;
        list-style:none;
        padding:0;
        margin:0;
        border:1px solid #767676;

        li {
          display:block;

          a {
            display:block;
            padding:6px 15px;
            font-size:12px;
            color:#282828;
            cursor:pointer;
            position:relative;

            &:hover {
              background-color:#f4f8f9;
            }
            
            .badge {
              position:absolute;
              right:5px;
              top:50%;
              -webkit-transform: translateY(-50%);
              -moz-transform: translateY(-50%);
              -ms-transform: translateY(-50%);
              -o-transform: translateY(-50%);
              transform: translateY(-50%);
              font-size:10px;
              background-color:#ff2222;
              color:#fff;
              padding:3px 5px;
              line-height:10px;
            }
          }

          &.divider {
            height: 1px;
            margin: 4px 0;
            overflow: hidden;
            background-color: #e5e5e5;
          }

          &.active {
            a {
              background-color:#f4f8f9;
              color:$color-primary;
            }
          }
        }
      }

      &:hover {
        > a {
          color:#282828;
        }

        > ul {
          height:auto;
          visibility: visible;
          opacity:1;
          -webkit-transition: visibility .3s, opacity .3s;
          -moz-transition: visibility .3s, opacity .3s;
          -ms-transition: visibility .3s, opacity .3s;
          -o-transition: visibility .3s, opacity .3s;
          transition: visibility .3s, opacity .3s;
        }
      }
    }
  }
}
*/

#nav {
  .nav-menu {
    flex:1;
    @include display-flex;
    align-items: center;

    .logo {
      width:50px;
      height:44px;
      border-color:transparent !important;
      background-color:#354d91 !important;
      color:#fff;
      padding:13px;
      text-align:center;
      &:after {
        content:'';
      }
      i {
        margin-right:0;
      }
    }

    &,
    ul {
      list-style:none;
      padding:0;
      margin:0;
      background-color:#282828;

      a,
      span {
        font-size:12px;
        padding:13px;
        user-select: none;
        color:#b4b4b4;
        display:block;
      }

      li {
        display:block;
        white-space: nowrap;

        &.open,
        &:hover {
          > a,
          > span {
            text-decoration: none;
            cursor:pointer;
          }
        }

        &.divider {
          height:1px;
          border:0 none;
          background-color:#ddd;
          margin:3px 0;
        }
      }
    }

    > li {
      display:block;
      position:relative;

      > a,
      > span{
        white-space: nowrap;
        word-wrap:normal;
        padding-right:30px;
        position:relative;

        i {
          margin-right:5px;
        }
        &:hover {
          color:#fff;
        }

        &:after {
          content:'\f107';
          font-family: "Font Awesome 5 Pro" !important;
          position:absolute;
          right:10px;
          top:50%;
          transform: translateY(-50%);
        }
      }

      &.active {
        > span {
          color:#fff;
        }
      }

      > ul {
        display:none;
        position:absolute;
        top:44px;
        left:-1px;
        width:auto;
        border:1px solid #a0a0a0;
        border-top:0 none;
        min-width:calc(100% + 2px);
        padding:2px;
        box-shadow: 0 6px 12px rgba(0,0,0,.175);

        a,
        span {
          padding:6px 10px;
          color:#282828;

          &:hover {
            background-color:#354D91;
            color:#fff;
          }
        }

        > li {
          position:relative;

          > ul {
            display:none;
            position:absolute;
            top:0;
            left:calc(100% + 1px);
            border:1px solid #a0a0a0;
            min-width:100%;
            background-color:#fff;
            box-shadow: 0 6px 12px rgba(0,0,0,.175);
          }

          >span {
            padding-right:15px;

            &:after {
              content:'\f105';
              font-family: "Font Awesome 5 Pro" !important;
              position:absolute;
              right:5px;
              top:50%;
              transform: translateY(-50%);
            }
          }

          &:hover {
            > a, span {
              background-color:#354D91;
              color:#fff;

            }
            > ul {
              display:block;
            }
          }
        }
      }

      &.open {
        > a, span {
          color:#282828;
          background-color:#fff;;
          z-index:3;
        }
        > ul {
          display:block;
          background-color:#fff;
        }
      }
    }

  }
}

#contents {
  padding:30px;
  height: calc(100vh - #{$header-height} - #{$nav-height});
  overflow-y:auto;
}

.page-header {
  margin-bottom:10px;
  border-bottom: 1px solid #ddd;

  .iframe & {
    margin-top:0;
  }

  .page-title {
    font-size:18px;
    font-weight:500;
    color:#282828;
    line-height:1em;

    small {
      color:#767676;
      font-size:12px;
      margin-left:15px;
    }
  }
}

.box {
  position:relative;
  padding:30px;
  background:#fff;
  border-radius:4px;
  border:1px solid #e6e6e6;

  .box-header {
    border-bottom:1px solid #e6e6e6;
    margin-bottom:15px;
    margin-top:-30px;
    position:relative;
    height:57px;

    @include clear-fix-after();

    .box-title {
      float:left;
      color:$brand-primary;
      font-size:15px;
      font-weight:500;
      padding:18px 0;

      small {
        color:#767676;
        font-weight:400;
        font-size:13px;
      }
    }

    .box-action {
      float:right;
      @include display-flex();
      height:57px;
      align-items: center;
    }
  }
}

.frame-content {
  padding:15px;
}