.header{
  height: 55px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  position: fixed;
  top: 0px;
  right: 0px;
  left: 0px;
  background-color: white;
  z-index: 100;
  border-bottom-width: 1px;
  border-bottom-style: solid;
  border-bottom-color: rgb(227, 225, 225);
}

.left-section{
  display: flex;
  align-items: center;
}

.middle-section{
  flex: 1;
  margin-left: 70px;
  margin-right: 35px;
  max-width: 500px;
  display: flex;
  align-items: center;
}

.search_bar{
  flex: 1;
  height: 36px;
  font-size: 16px;
  border-color: rgb(211, 208, 208);
  border-width: 1px;
  border-style: solid;
  border-radius: 2px;
  box-shadow: inset 1px 2px 3px rgba(0, 0, 0, 0.05);
  width: 0px;
}

.search_bar::placeholder{
  font-family: Roboto, Arial;
  font-size: 16px;
  padding-left: 10px;
}

.search_icon{
  height: 25px;
  margin-top: 4px;  
}

.voice-search-icon{
  height: 25px;
  margin-top: 4px;
}

.voice_search_button{
  height: 40px;
  width: 40px;
  border-width: 0px;
  border-radius: 20px;
  background-color: rgb(241, 240, 240);
}

.search-button{
  height: 40px;
  width: 70px;
  border-color: rgb(210, 207, 207);
  border-width: 1px;
  border-style: solid;
  border-radius: 2px;
  margin-left: -1px;
  margin-right: 10px;
  background-color: rgb(239, 237, 237);
  position: relative;
}

.search-button .tooltip{
  position: absolute;
  background-color: gray;
  color: white;
  opacity: 0;
  padding-top: 4px;
  padding-bottom: 4px;
  padding-right: 8px;
  padding-left: 8px;
  border-radius: 2px;
  font-size: 12px;
  bottom: -30px;
}

.search-button:hover .tooltip{
  opacity: 1;
  transition: opacity 0.15s;
}

.right-section{
  width: 180px;  
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-right: 20px;
  flex-shrink: 0;
}

.channel_pic{
  height: 30px;
  border-radius: 15px;
}

.upload,
.apps,
.notifications{
  height: 24px;
}

.notification_container{
  position: relative;
}

.notification_number{
  position: absolute;
  right: -7px;
  top: -4px;
  background-color: rgb(179, 5, 5);
  color: white;
  font-size: 10px;
  font-family: Roboto, Arial;
  padding-left: 5px;
  padding-right: 5px;
  padding-top: 2px;
  padding-bottom: 2px;
  border-radius: 10px;
  border-style: solid;
  border-color: white;
  border-width: 2px;
}

.hamburger_menu{
  height: 24px;
  margin-right: 24px;
  margin-left: 24px;
}

.youtube_logo{
  height: 20px;
}