Sure, here you go:
Mushroom Custom:
# HA variables
ha-card-box-shadow: 0px 2px 4px 0px rgba(0,0,0,0.16)
ha-card-border-radius: 20px
#dialog-backdrop-filter: blur(1px)
#card-mod-theme: "Mushroom Custom"
# Mushroom layout
#mush-spacing: 12px
# Title
#mush-title-padding: 24px 12px 16px
#mush-title-spacing: 12px
#mush-title-font-size: 24px
#mush-title-font-weight: normal
#mush-title-line-height: 1.2
# Subtitle
#mush-subtitle-font-size: 16px
#mush-subtitle-font-weight: normal
#mush-subtitle-line-height: 1.2
# Card
#mush-card-primary-font-size: 14px
#mush-card-secondary-font-size: 12px
#mush-card-primary-font-weight: bold
#mush-card-secondary-font-weight: bolder
#mush-card-primary-line-height: 1.5
#mush-card-secondary-line-height: 1.5
# Chip
#mush-chip-spacing: 8px
#mush-chip-padding: 0 0.25em
#mush-chip-height: 36px
#mush-chip-border-radius: 18px
#mush-chip-font-size: 0.3em
#mush-chip-font-weight: bold
#mush-chip-icon-size: 0.5em
#mush-chip-avatar-padding: 0.1em
#mush-chip-avatar-border-radius: 50%
#mush-chip-box-shadow: var(--ha-card-box-shadow)
#mush-chip-background: var(--ha-card-background)
# Control
#mush-control-border-radius: 12px
#mush-control-height: 42px
#mush-control-button-ratio: 1
#mush-control-icon-size: 0.5em
# Slider
#mush-slider-threshold: 10
# Badge
#mush-badge-size: 16px
mush-badge-icon-size: 0.8em
#mush-badge-border-radius: 50%
# Icon
#mush-icon-border-radius: 12px
#mush-icon-size: 42px
#mush-icon-symbol-size: 0.5em
# Colors
mush-rgb-red: 244, 67, 54
mush-rgb-pink: 233, 30, 99
mush-rgb-purple: 156, 39, 176
mush-rgb-deep-purple: 103, 58, 183
mush-rgb-indigo: 63, 81, 181
mush-rgb-blue: 33, 150, 243
mush-rgb-light-blue: 3, 169, 244
mush-rgb-cyan: 0, 188, 212
mush-rgb-teal: 0, 150, 136
mush-rgb-green: 76, 175, 80
mush-rgb-light-green: 139, 195, 74
mush-rgb-lime: 205, 220, 57
mush-rgb-yellow: 255, 235, 59
mush-rgb-amber: 255, 193, 7
mush-rgb-orange: 255, 152, 0
mush-rgb-deep-orange: 255, 87, 34
mush-rgb-brown: 121, 85, 72
mush-rgb-grey: 158, 158, 158
mush-rgb-blue-grey: 96, 125, 139
mush-rgb-black: 0, 0, 0
mush-rgb-white: 255, 255, 255
#mush-rgb-info: var(--mush-rgb-blue)
#mush-rgb-success: var(--mush-rgb-green)
#mush-rgb-warning: var(--mush-rgb-orange)
#mush-rgb-danger: var(--mush-rgb-red)
mush-rgb-state-fan: var(--mush-rgb-teal)
mush-rgb-state-light: var(--mush-rgb-amber)
#mush-rgb-state-entity: var(--mush-rgb-blue)
#mush-rgb-state-switch: bg-color
#mush-rgb-state-media-player: var(--mush-rgb-green)
#mush-rgb-state-alarm-disarmed: var(--mush-rgb-info)
#mush-rgb-state-alarm-armed: var(--mush-rgb-success)
#mush-rgb-state-alarm-triggered: var(--mush-rgb-danger)
#mush-rgb-state-person-home: var(--mush-rgb-success)
#mush-rgb-state-person-not-home: var(--mush-rgb-danger)
#mush-rgb-state-person-zone: var(--mush-rgb-info)
#mush-rgb-state-person-unknown: var(--mush-rgb-grey)
#mush-rgb-state-cover-open: var(--mush-rgb-blue)
#mush-rgb-state-cover-closed: var(--mush-rgb-disabled)
#mush-rgb-state-climate-auto: var(--mush-rgb-green)
#mush-rgb-state-climate-cool: var(--mush-rgb-blue)
#mush-rgb-state-climate-dry: var(--mush-rgb-amber)
#mush-rgb-state-climate-fan-only: var(--mush-rgb-teal)
#mush-rgb-state-climate-heat: var(--mush-rgb-deep-orange)
#mush-rgb-state-climate-heat-cool: var(--mush-rgb-green)
#mush-rgb-state-climate-idle: var(--mush-rgb-grey)
#mush-rgb-state-climate-off: var(--mush-rgb-disabled)
# Fonts
primary-font-family: 'Open Sans, sans-serif'
paper-font-common-base_-_font-family: "var(--primary-font-family)"
paper-font-common-code_-_font-family: "var(--primary-font-family)"
paper-font-body1_-_font-family: "var(--primary-font-family)"
paper-font-subhead_-_font-family: "var(--primary-font-family)"
paper-font-headline_-_font-family: "var(--primary-font-family)"
paper-font-caption_-_font-family: "var(--primary-font-family)"
paper-font-title_-_font-family: "var(--primary-font-family)"
ha-card-header-font-family: "var(--primary-font-family)"
# You must keep this to support light/dark theme
modes:
light:
mush-rgb-disabled: 189, 189, 189
dark:
mush-rgb-disabled: 111, 111, 111
#card-mod-card: |
#ha-card:active {
#transform: scale(1.02);
#}