Babylon.js/nodeEditor/src/components/diagram/diagram.scss

.diagramBlock {
    background: white;
    width: 200px;
    border: 4px solid black;

    &.input {
        background: green;
        color:white;
    }

    &.attribute {
        background: orange;
    }

    &.output {
        background: blue;
        color:white;

        .inputs { 
            color:white;
        }
    }

    .header {
        margin: 10px;
        font-size: 16px;
        text-align: center;
        
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
    }

    .value {
        height: 34px;
        text-align: center;
        font-size: 20px;
        font-weight: bold;
    }

    .inputs {
        .input-port {
            display: grid;
            grid-template-columns: 4px calc(100% - 4px);
            grid-template-rows: 100%;

            .input-port-plug {
                grid-column: 1;
                grid-row: 1;
                display: grid;
                align-content: center;
                margin-left: -11px;
                
                .srd-port {
                    background: grey;
                }
            }

            .input-port-label {
                margin-left: 10px;
                grid-column: 2;
                grid-row: 1;         
                margin-bottom: 2px;       
            }
        }
    }

    .outputs {
        .output-port {
            display: grid;
            grid-template-columns: calc(100% - 4px) 4px;
            grid-template-rows: 100%;

            .output-port-plug {
                grid-column: 2;
                grid-row: 1;
                display: grid;
                align-content: center;

                .srd-port {
                    background: grey;
                }
            }

            .output-port-label {
                text-align: right;
                margin-right: 10px;
                grid-column: 1;
                grid-row: 1;                        
                margin-bottom: 2px;        
            }
        }
    }
}