* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.nav_icon {
  color: #18191f;
}

.nav_link {
  color: #18191f;
  text-decoration: none;
}

ul {
  list-style: none;
}

.nav_list,
.nav_link {
  display: flex;
}

.nav_link {
  flex-direction: column;
  align-items: center;
}

.nav_list {
  align-items: center;
  justify-content: space-around;
  height: 80px;
}

.section_title {
  text-align: center;
}

.section_height {
  height: 100vh;
}

.nav_menu {
  background-color: #f3f4f6;
  position: fixed;
  width: 100%;
  bottom: 0;
  left: 0;
  border-top-right-radius: 30px;
  border-top-left-radius: 30px;
  z-index: 1000;
}

.nav_link .nav_icon:active {
  color: #feb930;
}

@media screen and (max-width: 2200px) {
  .nav_icon {
    width: 35px;
    height: 35px;
    transition: all 0.5s ease;
  }
  .nav_list {
    transition: all 0.5s ease;
  }
}
.nav_link.active {
  filter: brightness(0) saturate(100%) invert(59%) sepia(100%) saturate(652%)
    hue-rotate(357deg) brightness(105%) contrast(101%);
}

.nav_link.active .nav_icon {
  filter: brightness(0) saturate(100%) invert(59%) sepia(100%) saturate(652%)
    hue-rotate(357deg) brightness(105%) contrast(101%);
}

@media screen and (max-width: 300px) {
  .nav_name {
    display: none;
  }

  .nav_icon {
    width: 20px;
    height: 20px;
  }

  .nav_list {
    height: 50px;
    transition: all 0.5s ease;
  }
}