设置element组件库多选框颜色

.el-checkbox-group {
    ::v-deep .el-checkbox__label {
        color: #252F3F;
        font-size: 12px;
        font-weight: 400;
        line-height: 20px;
    }

    ::v-deep .is-checked {
        .el-checkbox__inner {
            background-color: #4256D0;
            border: #4256D0;
        }
    }

    ::v-deep .is-focus {
        .el-checkbox__inner {
            border-color: #4256D0;
        }
    }

    ::v-deep .el-checkbox__input.is-indeterminate .el-checkbox__inner {
        background-color: #4256D0;
        border: #4256D0;
    }
}