#hs_cos_wrapper_hs_kb-search-input-module .hs-search-field__bar>form>label {
  color: green !important;
}

.header__container {
  height: 80px !important;
} 

/* @import url('http://example.com/example_style.css'); */

/***********************************************/
/* CSS @imports must be at the top of the file */
/* Add them above this section                 */
/***********************************************/

/*****************************************/
/* Start your style declarations here    */
/*****************************************/
/*****************************************/
<style type="text/css">
  .header__container {
  background-color: red !important;
} 
</style>
/*****************************************/