Babylon.js/inspector/sass/_detailPanel.scss

// The main class of the detail panel
.insp-details {
  background-color: $background;
  overflow-y: auto;
  overflow-x: auto;
  color:$color;
  font-family: $font;

  .details {
      padding-left: 5px;
  }

  // Common defintion between header row and detail row
  .base-row {      
    display:flex;
    width:100%;

    .base-property {
        padding: 2px 0 2px 0;
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
    }
    // Property name
    .prop-name {
        @extend .property-name;
        @extend .base-property;
        width:35%;
    }
    // property value
    .prop-value {
        @extend .base-property;
        width:59%;
        padding-left:5px;
        &.clickable {
            cursor:pointer;
            &:hover {
                background-color:$background-lighter2;
            }
            &:after {
                font-family: 'FontAwesome', sans-serif;
                content: "\00a0 \00a0 \00a0 \f054"; // 4 space before + chevron right
            }
        }   
    }
    
    // input {
    //     border:0;
    //     font-family: $font;
    //     background-color: $background-lighter;
    //     color:$color;
    //     // Remove blue border on focus
    //     &:focus {
    //         outline:none;
    //     }
    // }
  }
  
  // A line of details composed of name, type, value, id, flagId
  .row {
    @extend .base-row;
    &:nth-child(even) {
        background-color:$background-lighter;
    }
    &.unfolded {          
        .prop-value.clickable:after {
            font-family: 'FontAwesome', sans-serif;
            content: "\00a0 \00a0 \00a0 \f078"; // 4 space before + chevron down
        }
    }
  }

  
  // Name, type, value, Id, FlagId
  .header-row {
    @extend .base-row;
    background-color: $background-lighter; 
    color           : $color;
    width           : 100%;
    max-width       : 100%;
    
    // Special definition for text color: the color is the default one
    // All header columns
    & > * {
        color:$color !important;
        padding:5px 0 5px 5px !important;
        cursor: pointer;
        &:hover {
            background-color:$background-lighter2;
        }
    }

    .header-col {
        display:flex;
        justify-content: space-between;
        align-items: center;

        .sort-direction {
            margin-right:5px;
        }
    }
  }
  
  // A div used to view a property in the property line (color, texture...)
  .element-viewer {
      position:relative;
      width:10px;
      height:10px;
      display:inline-block;
      margin-left:5px;
  }

  // The div displaying a color
  .color-element {
      @extend .element-viewer;
      width: 20px;
      height: 15px;
  }

  // The div displaying a texture element
  .texture-element {
      @extend .element-viewer;
      color:$color-top;
      margin-left:10px; 

      .texture-viewer {
          
          color:$color;
          position:absolute;
          z-index:10;
          bottom:0;
          right:0;
          display:block;
          width:150px;
          height:150px;
          border: 1px solid $background-lighter3;
          background-color: $background;
          transform: translateX(100%) translateY(100%);
          
          display: none;
          flex-direction: column;
          justify-content: flex-start;
          align-items: center;

          .texture-viewer-img {
              margin:10px 0 10px 0;
              max-width:110px;
              max-height:110px;
          }
      }
  }
   

}