@media(max-width: 992px) {
#about_us .triden::after {
 content: ''; 
 position: absolute; /* Абсолютное позиционирование */
 left: 35vw; top: -20vh; /* Положение треугольника */
 border: 40vw solid transparent; /* Прозрачные границы */
 border-top: 80vh solid var(--main-black-color); /* Добавляем треугольник */
}
	html {font-size: 12px;}
	h1 {font-size: 8rem; line-height: 6.5rem;}
	h1 span:last-of-type {font-size: 4rem;}
	header > img {width: 62%;}


	header .navbar-collapse {
	position: absolute;
	background: var(--main-black-color);
	padding: 0.5rem 1rem;
	border-radius: 10px 0 0 10px;
	top: 4rem;
	right: 0;
	z-index: 2;
}

/*SECTION WHAT WE DO START*/
#services #features article:nth-of-type(1) .logo {background-position: -58px 4px;}
#services #features article:nth-of-type(2) .logo {background-position: 0 -49px;}
#services #features article:nth-of-type(3) .logo {background-position: -61px -51px;}
#services #features article:nth-of-type(4) .logo {background-position: -122px -2px;}
#services #features article:nth-of-type(5) .logo {background-position: -2px 0;}
#services #features article:nth-of-type(6) .logo {background-position: -123px -49px;}
/*SECTION WHAT WE DO END*/
/*SECTION PROCESS START*/
 	#work_plan .part {
 		min-height: 225px;
 		min-width: 225px;
 		max-height: 225px;
 		max-width: 225px;
 	}
 	 	#work_plan .part:nth-of-type(3) {display: none;}
	
	#process .wrapper .flex-container {
		justify-content: space-between;
	}
 	#work_plan {
 		/*margin-right: -13%;*/
 		margin-left: 10%;
 		/*margin: 0;*/
		min-width: auto;
		justify-content: flex-start;
 	}
/*SECTION PROCESS END*/
/*SECTION CONTACTS START*/
#contacts .flex-container #email_contact .logo {
	background-position: -130px -52px;
	-webkit-background-size: 280%;
	background-size: 280%;
}
#contacts .flex-container #phone_contact .logo {
	background-position: -60px 10px;
	-webkit-background-size: 280%;
	background-size: 280%;
}
#contacts .flex-container #office_contact .logo {
	background-position: 5px 5px;
	-webkit-background-size: 280%;
	background-size: 280%;
}
/*SECTION CONTACTS END*/
}