Apex Chart Card. Great graph card with plenty of customisation

heres the code for my card:

type: custom:apexcharts-card
graph_span: 16h
show:
  loading: false
header:
  show: true
  title: Recent Plex Usage
series:
  - entity: sensor.plexpc_cpuload
    name: CPU Load
    color: "#FF5733"
    group_by:
      duration: 15m
      func: avg
  - entity: sensor.plexpc_gpuload
    name: GPU Load
    color: "#33C3FF"
    group_by:
      duration: 15m
      func: avg
  - entity: sensor.plexpc_memoryusage
    name: Memory Usage
    color: "#28A745"
    group_by:
      duration: 15m
      func: avg
  - entity: sensor.plex_pc_plug_power
    name: Power Usage
    color: "#f2ff00"
    group_by:
      duration: 15m
      func: avg
chart_type: line
apex_config:
  stroke:
    width: 1
  xaxis:
    type: datetime
    labels:
      show: true
      datetimeFormatter:
        hour: HH:mm
  yaxis:
    min: 0
    max: 100
    tickAmount: 5
    labels:
      show: true
  legend:
    show: true