cant parser my css file

[cleverboy32]

i get the error

my css file like this

.som-button,.som-button.som-button--error::after,.som-button.som-button--info::after,.som-button.som-button--plain--default::after,.som-button.som-button--plain--error::after,.som-button.som-button--plain--info::after,.som-button.som-button--plain--primary::after,.som-button.som-button--plain--success::after,.som-button.som-button--plain--warn::after,.som-button.som-button--primary::after,.som-button.som-button--success::after,.som-button.som-button--warn::after{border-width:0}.som-button,.som-modal .som-prompt-msgbox,.som-radio .som-radio-input,.som-tabs button{outline:0;-webkit-appearance:none}.som-accordion .som-list-item,.som-button,.som-list-item,.som-list-item.som-list-item-access,.som-modal__btn,.som-radio--button.som-radio__label,.som-radio__label,.som-tab-item{-webkit-tap-highlight-color:transparent}.som-input__elm,.som-nav-bar__title{text-overflow:ellipsis;white-space:nowrap}:root{--primary:#ff571a;--primary-text:var(--primary);--primary-press:#e54e17;--primary-disable:#ff9a76;--primary-selected:#ffeee8;--background-notice:#fff2bd;--background-warning:#fff1f0;--text-title:#1b1c33;--text-body:#5e5e66;--text-caption:#8d8e99;--text-hint:#b0b1b8;--line-b:#d7d7db;--line-c:#ededf0;--press:#e3e3e6;--background-page:#f2f3f5;--background-block:#f7f8fa;--text-white:#fff;--mask:#000;--primary-highlight:var(--primary);--primary-disable-select-color:#ffd2c2;--fs12:12px;--fs14:14px;--fs15:15px;--fs16:16px;--fs18:18px;--fs20:20px;--fs22:22px;--fs24:24px;--border-radius-base:4px;--border-radius-large:6px;--border-radius-small:3px;--font-family:PingFangSC-Regular,Helvetica,"Droid Sans",Arial,sans-serif;--all-transition:all .3s cubic-bezier(.645,.045,.355,1);--fade-linear-transition:opacity 200ms linear;--md-fade-transition:transform 300ms cubic-bezier(.23, 1, .32, 1) 100ms,opacity 300ms cubic-bezier(.23, 1, .32, 1) 100ms;--border-transition-base:border-color .2s cubic-bezier(.645,.045,.355,1);--color-transition-base:color .2s cubic-bezier(.645,.045,.355,1);--background-color-transition-base:background-color .2s cubic-bezier(.645,.045,.355,1);--color-modal:#000000bf;--black:#000;--white:#fff;--font-highlight:var(--white);--success:#1dbf6e;--warning:#ff4040;--link:#4da6ff;--color-info:var(--link);--color-error:var(--warning);--color-warn:#f90;--info-light-bg:rgba(77, 166, 255, .1);--info-button-bg:rgba(77, 166, 255, .8);--info-button-disable:rgba(77, 166, 255, .5);--success-light-bg:rgba(29, 191, 110, .1);--success-button-bg:rgba(29, 191, 110, .8);--success-button-disable:rgba(29, 191, 110, .5);--error-light-bg:#ffedeb;--error-button-bg:rgba(255, 64, 64, .8);--error-button-disable:rgba(255, 64, 64, .5);--warn-light-bg:rgba(255, 153, 0, .08);--warn-button-bg:rgba(255, 153, 0, .15);--warn-button-disable:rgba(255, 153, 0, .4);--fixed-box-shadow:0 2px 12px rgba(0,0,0,.15);--tap-box-shadow:0 -2px 8px rgba(0,0,0,.08);--index-normal:1;--index-back-top:10;--index-top:1000;--index-popper:2000;--accordion-icon-color
...

i think its beacuse of too large, when i slice it, it can work.

Module build failed (from ./node_modules/postcss-loader/src/index.js):
ParserError: Syntax Error at line: 1, column 19
    at /Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/@souche-ui/som-ui/lib/styles/index.css:1:92001
    at Parser.error (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss-values-parser/lib/parser.js:
127:11)
    at Parser.operator (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss-values-parser/lib/parser.
js:183:18)
    at Parser.parseTokens (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss-values-parser/lib/pars
er.js:245:14)
    at Parser.loop (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss-values-parser/lib/parser.js:1
32:12)
    at Parser.parse (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss-values-parser/lib/parser.js:
51:17)
    at getReplacedValue (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss-env-function/index.cjs.j
s:109:37)
    at root.walk.node (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss-env-function/index.cjs.js:
271:35)
    at /Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss/lib/container.js:135:18
    at Rule.each (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss/lib/container.js:101:16)
    at Rule.walk (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss/lib/container.js:131:17)
    at /Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss/lib/container.js:148:24
    at Root.each (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss/lib/container.js:101:16)
    at Root.walk (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss/lib/container.js:131:17)
    at Object.<anonymous> (/Users/cleverboy32/Documents/work/channel-cube-map-mobile/node_modules/postcss-env-function/index.cjs.js:267:14)