web-apps/apps/spreadsheeteditor/main/resources/less/celleditor.less

#cell-editing-box {
    border-bottom: solid 1px @border-toolbar;
    border-left: solid 1px @border-toolbar;
    min-height: 20px;
    background-color: #fff;

    .ce-group-name {
        float: left;
        height: 20px;
        border-bottom: 1px solid @border-toolbar;
        background-color: @background-toolbar;

        #ce-cell-name {
            width: 100px;
            height: 19px;
            padding: 0px 19px 0 4px;
            vertical-align: top;
            display: inline-block;
            border: 0 none;
            border-right: 1px solid @border-toolbar;
            transition: none;
            -webkit-transition: none;

            &[disabled] {
                color: @border-preview-select;
                opacity: 0.5;
            }
        }

        #ce-cell-name-menu {
            display: inline-block;
            position: absolute;
            left: 80px;
            background-color: @background-toolbar;

            button {
                background-color: #fff;
                height: 19px;

                &.disabled {
                    opacity: 0.5;
                }

                &:active:not(.disabled),
                &.active:not(.disabled){
                    .caret {
                        background-position: @arrow-small-offset-x @arrow-small-offset-y;
                    }
                }
            }

            .dropdown-menu a {
                overflow: hidden;
                text-overflow: ellipsis;
            }
        }

        #ce-func-label {
            height: 20px;
            margin-left: -3px;
            .border-radius(0);

            &.disabled {
                opacity: 0.4;
            }
        }
    }

    .ce-group-expand {
        float: right;
        height: 20px;
    }

    .ce-group-content {
        padding-left: 1px;
        margin: 0 16px 0 120px;
        height: 100%;
        border-left: 1px solid @border-toolbar;

        #ce-cell-content {
            height: 100%;
            resize: none;
            min-height: 19px;
            border: 0 none;
            font-size: 12px;
            line-height: 18px;
            padding-bottom: 0;

            &[disabled] {
                color: @border-preview-select;
                opacity: 0.5;
            }
        }
    }

    #ce-cell-name, #ce-cell-content {
        border-radius: 0;
    }

    &+.layout-resizer {
        border-top: 0 none;
        border-bottom: 0 none;

        &.move {
            border-top: 1px solid @border-toolbar;
            border-bottom: 1px solid @border-toolbar;
            opacity: 0.4;
        }
    }
}

#ce-btn-expand {
    width: 16px;
    height: 18px;
    .border-radius(0);
    background: transparent;
    padding: 0 2px 0;

    .caret {
        background-position: @arrow-small-offset-x @arrow-small-offset-y;
        transition: transform .2s;
    }

    &.btn-collapse {
        .caret {
            transform: rotate(180deg);
        }
    }
}