Hi All,
I have built an alternative to the existing mushroom horizontal layout that currently exists with card_mod:
i didnt like the fact that a bunch of space is being wasted, and that you have very limited room for the slider. so i built this:
and its alternative that keeps the text in 2 rows:
You need to ensure that you have layout: horizontal in your card 
it works with no buttons, 1 button or both of the buttons:
it will auto adjust the widths so that everything fits neatly on any screen size. (even in a grid, but i wouldnt recommend having the buttons enabled as there is limited space in a grid).
it also auto adjusts the text color/button icon color, so that it doesnt blend into the slider itself. (still will blend in with the slider background sometimes, but best i can do!).
i have tested this with many screen sizes and it seems to work consistently
(which i am actually really proud of, i have worked on this one for a while to reduce the amount of “magic numbers”).
Light mode:
Code slider with text in 1 row option
type: custom:mushroom-light-card
entity: light.bedroom_chest_lamp
name: Standing Light
show_brightness_control: true
show_color_temp_control: true
show_color_control: true
layout: horizontal
collapsible_controls: true
use_light_color: true
card_mod:
style:
mushroom-state-info$:
.container: |
.primary {
flex-shrink: 1;
flex-grow: 1;
{% if state_attr(config.entity, 'rgb_color') == none %}
{% if states(config.entity) == 'on' %}
--primary-text-color: #1a1a1a;
{% else %}
{% endif %}
{% else %}
{% if (state_attr(config.entity,'rgb_color')[0] * 0.21 | float) + (state_attr(config.entity,'rgb_color')[1] * 0.72 | float) + (state_attr(config.entity,'rgb_color')[2] * 0.07 | float) >= 100 and state_attr(config.entity, 'rgb_color') != none %}
--primary-text-color: #1a1a1a;
{% else %}
--primary-text-color: #fafafa;
{% endif %}
{% endif %}
}
.secondary {
flex-shrink: 1;
flex-grow: 0;
{% if state_attr(config.entity, 'rgb_color') == none %}
{% if states(config.entity) == 'on' %}
--secondary-text-color: #3b3b3b;
{% else %}
{% endif %}
{% else %}
{% if (state_attr(config.entity,'rgb_color')[0] * 0.21 | float) + (state_attr(config.entity,'rgb_color')[1] * 0.72 | float) + (state_attr(config.entity,'rgb_color')[2] * 0.07 | float) >= 100 and state_attr(config.entity, 'rgb_color') != none %}
--secondary-text-color: #3b3b3b;
{% else %}
--secondary-text-color: #c9c9c9;
{% endif %}
{% endif %}
}
.: |
.container {
display: flex;
{% if states(config.entity) == 'on' %}
z-index: 1;
flex-direction: row !important;
align-items: baseline;
pointer-events: none !important;
margin-left: 10px;
margin-right: -8px;
{% else %}
{% endif %}
}
mushroom-button:nth-child(2)$: |
:host {
z-index: 1;
margin-right: 5px !important;
{% if state_attr(config.entity, 'rgb_color') == none %}
--bg-color: rgba(var(--rgb-disabled),0.5) !important;
--icon-color: #1a1a1a !important;
{% else %}
{% if (state_attr(config.entity,'rgb_color')[0] * 0.21 | float) + (state_attr(config.entity,'rgb_color')[1] * 0.72 | float) + (state_attr(config.entity,'rgb_color')[2] * 0.07 | float) >= 100 and state_attr(config.entity, 'rgb_color') != none %}
--bg-color: rgba{{state_attr(config.entity,'rgb_color')[0] * 0.5, state_attr(config.entity,'rgb_color')[1] * 0.5, state_attr(config.entity,'rgb_color')[2] * 0.5, 0.5}} !important;
--icon-color: #1a1a1a !important;
{% else %}
--bg-color: rgba{{state_attr(config.entity,'rgb_color')[0] * 0.5, state_attr(config.entity,'rgb_color')[1] * 0.5, state_attr(config.entity,'rgb_color')[2] * 0.5, 0.5}} !important;
--icon-color: #dedede !important;
{% endif %}
{% endif %}
}
mushroom-button:nth-child(3)$: |
:host {
z-index: 1;
{% if state_attr(config.entity, 'rgb_color') == none %}
--bg-color: rgba(var(--rgb-disabled),0.5) !important;
--icon-color: #1a1a1a !important;
{% else %}
{% if (state_attr(config.entity,'rgb_color')[0] * 0.21 | float) + (state_attr(config.entity,'rgb_color')[1] * 0.72 | float) + (state_attr(config.entity,'rgb_color')[2] * 0.07 | float) >= 100 and state_attr(config.entity, 'rgb_color') != none %}
--bg-color: rgba{{state_attr(config.entity,'rgb_color')[0] * 0.5, state_attr(config.entity,'rgb_color')[1] * 0.5, state_attr(config.entity,'rgb_color')[2] * 0.5, 0.5}} !important;
--icon-color: #1a1a1a !important;
{% else %}
--bg-color: rgba{{state_attr(config.entity,'rgb_color')[0] * 0.5, state_attr(config.entity,'rgb_color')[1] * 0.5, state_attr(config.entity,'rgb_color')[2] * 0.5, 0.5}} !important;
--icon-color: #dedede !important;
{% endif %}
{% endif %}
}
mushroom-light-brightness-control$:
mushroom-slider$: |
.container {
position: absolute;
flex-basis: max-content;
width: calc(100% - 80px);
left: 68px;
top: 18.2%
}
mushroom-light-color-control$:
mushroom-slider$: |
.container {
position: absolute;
flex-basis: max-content;
width: calc(100% - 80px);
left: 68px;
top: 18.2%
}
mushroom-light-color-temp-control$:
mushroom-slider$: |
.container {
position: absolute;
flex-basis: max-content;
width: calc(100% - 80px);
left: 68px;
top: 18.2%
}
.: |
.actions {
display: flex;
flex-basis: min-content;
align-items: flex-end !important;
justify-content: flex-end !important;
flex-grow: 0;
flex-shrink: 0;
}
mushroom-state-info {
display: flex;
}
Code slider with text in 2 rows option
type: custom:mushroom-light-card
entity: light.bedroom_chest_lamp
name: Standing Light
show_brightness_control: true
show_color_temp_control: true
show_color_control: true
layout: horizontal
collapsible_controls: true
use_light_color: true
card_mod:
style:
mushroom-state-info$:
.container: |
.primary {
flex-shrink: 1;
flex-grow: 1;
{% if state_attr(config.entity, 'rgb_color') == none %}
{% if states(config.entity) == 'on' %}
--primary-text-color: #1a1a1a;
{% else %}
{% endif %}
{% else %}
{% if (state_attr(config.entity,'rgb_color')[0] * 0.21 | float) + (state_attr(config.entity,'rgb_color')[1] * 0.72 | float) + (state_attr(config.entity,'rgb_color')[2] * 0.07 | float) >= 100 and state_attr(config.entity, 'rgb_color') != none %}
--primary-text-color: #1a1a1a;
{% else %}
--primary-text-color: #fafafa;
{% endif %}
{% endif %}
}
.secondary {
flex-shrink: 1;
flex-grow: 0;
{% if state_attr(config.entity, 'rgb_color') == none %}
{% if states(config.entity) == 'on' %}
--secondary-text-color: #3b3b3b;
{% else %}
{% endif %}
{% else %}
{% if (state_attr(config.entity,'rgb_color')[0] * 0.21 | float) + (state_attr(config.entity,'rgb_color')[1] * 0.72 | float) + (state_attr(config.entity,'rgb_color')[2] * 0.07 | float) >= 100 and state_attr(config.entity, 'rgb_color') != none %}
--secondary-text-color: #3b3b3b;
{% else %}
--secondary-text-color: #c9c9c9;
{% endif %}
{% endif %}
}
.: |
.container {
display: flex;
{% if states(config.entity) == 'on' %}
z-index: 1;
align-items: baseline;
pointer-events: none !important;
margin-left: 10px;
margin-right: -8px;
{% else %}
{% endif %}
}
mushroom-button:nth-child(2)$: |
:host {
z-index: 1;
margin-right: 5px !important;
{% if state_attr(config.entity, 'rgb_color') == none %}
--bg-color: rgba(var(--rgb-disabled),0.5) !important;
--icon-color: #1a1a1a !important;
{% else %}
{% if (state_attr(config.entity,'rgb_color')[0] * 0.21 | float) + (state_attr(config.entity,'rgb_color')[1] * 0.72 | float) + (state_attr(config.entity,'rgb_color')[2] * 0.07 | float) >= 100 and state_attr(config.entity, 'rgb_color') != none %}
--bg-color: rgba{{state_attr(config.entity,'rgb_color')[0] * 0.5, state_attr(config.entity,'rgb_color')[1] * 0.5, state_attr(config.entity,'rgb_color')[2] * 0.5, 0.5}} !important;
--icon-color: #1a1a1a !important;
{% else %}
--bg-color: rgba{{state_attr(config.entity,'rgb_color')[0] * 0.5, state_attr(config.entity,'rgb_color')[1] * 0.5, state_attr(config.entity,'rgb_color')[2] * 0.5, 0.5}} !important;
--icon-color: #dedede !important;
{% endif %}
{% endif %}
}
mushroom-button:nth-child(3)$: |
:host {
z-index: 1;
{% if state_attr(config.entity, 'rgb_color') == none %}
--bg-color: rgba(var(--rgb-disabled),0.5) !important;
--icon-color: #1a1a1a !important;
{% else %}
{% if (state_attr(config.entity,'rgb_color')[0] * 0.21 | float) + (state_attr(config.entity,'rgb_color')[1] * 0.72 | float) + (state_attr(config.entity,'rgb_color')[2] * 0.07 | float) >= 100 and state_attr(config.entity, 'rgb_color') != none %}
--bg-color: rgba{{state_attr(config.entity,'rgb_color')[0] * 0.5, state_attr(config.entity,'rgb_color')[1] * 0.5, state_attr(config.entity,'rgb_color')[2] * 0.5, 0.5}} !important;
--icon-color: #1a1a1a !important;
{% else %}
--bg-color: rgba{{state_attr(config.entity,'rgb_color')[0] * 0.5, state_attr(config.entity,'rgb_color')[1] * 0.5, state_attr(config.entity,'rgb_color')[2] * 0.5, 0.5}} !important;
--icon-color: #dedede !important;
{% endif %}
{% endif %}
}
mushroom-light-brightness-control$:
mushroom-slider$: |
.container {
position: absolute;
flex-basis: max-content;
width: calc(100% - 80px);
left: 68px;
top: 18.2%
}
mushroom-light-color-control$:
mushroom-slider$: |
.container {
position: absolute;
flex-basis: max-content;
width: calc(100% - 80px);
left: 68px;
top: 18.2%
}
mushroom-light-color-temp-control$:
mushroom-slider$: |
.container {
position: absolute;
flex-basis: max-content;
width: calc(100% - 80px);
left: 68px;
top: 18.2%
}
.: |
.actions {
display: flex;
flex-basis: min-content;
align-items: flex-end !important;
justify-content: flex-end !important;
flex-grow: 0;
flex-shrink: 0;
}
mushroom-state-info {
display: flex;
}