.wrapper {
  width: 768px;
  height: 100%;
  display: flex;
  flex-direction: column;
}


.link, .link_footer {
  cursor: pointer;
  position: relative;
  width: 46px;
  transition: 0.3s;
}
.link:after, .link_footer:after {
  content: "";
  display: block;
  position: absolute;
  top: 17px;
  left: 0;
  width: inherit;
  height: 2px;
  background-color: #FFA07A;
  opacity: 0;
  transition: 0.3s;
}
.link:hover, .link_footer:hover {
  color: #FFA07A;
  transition: 0.3s;
}
.link:hover:after, .link_footer:hover:after {
  opacity: 1;
}

.section {
  width: 100%;
  height: 100vh;
  display: block;
  position: relative;    

}

.section_1 {
}

.section_2 {
	padding-top: 5%;  

}

.section_3 {
  padding-top: 200px; 
  justify-content: center;
  align-items: center;
}
.section_4 {
    padding-top: 120px;
    justify-content: center;
    align-items: center;	
    background-color: #f6f6f6;
}