.header{
  height:55px;
  display:flex;
  flex-direction:row;
  justify-content: space-between;
  position:fixed;
  background-color:white;
  left:0;
  right:0;
  top:0;
  border-bottom-style:solid;
  border-bottom-color:rgb(222, 222, 222);
  border-bottom-width: 1px;
  z-index:100;
}

.left-section{
  display:flex;
  flex-direction:row;
  align-items:center;
}
.hamburger-menu{
  height:25px;
  margin-left:25px;
}
.youtube-logo{
  height:20px;
  margin-left:20px;
}

.middle-section{
  display:flex;
  align-items:center;
  flex: 1;
  margin-left:70px;
  margin-right:35px;
  max-width: 600px;
}
.search-bar{
  height:36px;
  width:0;
  flex:1;
  border: 1px solid rgb(192, 192, 192);
  padding-left:10px;
  border-radius:2px;
  font-size:16px;
  box-shadow:inset 0px 1px 2px rgb(238, 238, 238);
}

.search-bar::placeholder{
  font-size:16px;
  color:rgb(120, 120, 120);
}
.search-button{
  border-style:solid;
  border-width:1px;
  border-color:rgb(190, 190, 190);
  height:39px;
  width:66px;
  margin-left:-1px;
  margin-right:10px;
  border-radius:2px;
}
.search-button, 
.voice-search-button, 
.upload-icon-container,
.youtube-apps-icon-container,
.notifications-icon-container,
.profile-icon,
.youtube-logo,
.hamburger-menu
{
  cursor:pointer;
}
.search-button, 
.voice-search-button, 
.upload-icon-container,
.youtube-apps-icon-container,
.notifications-icon-container{
  display:flex;
  justify-content: center;
  align-items:center;
  position: relative;
}
.search-button .tooltip, 
.voice-search-button .tooltip,
.upload-icon-container .tooltip,
.youtube-apps-icon-container .tooltip,
.notifications-icon-container .tooltip{
  position:absolute;
  background-color: gray;
  color:white;
  padding:4px 8px;
  border-radius:3px;
  font-size:12px;
  bottom: -30px;
  opacity:0;
  transition:all 0.15s;
  pointer-events: none ;
  white-space: nowrap;
}
.search-button:hover .tooltip, 
.voice-search-button:hover .tooltip, 
.upload-icon-container:hover .tooltip,
.youtube-apps-icon-container:hover .tooltip,
.notifications-icon-container:hover .tooltip{
  opacity: 1;
}
.search-icon{
  height:25px;
  margin-top:4px;
}
.voice-search-button{
  border:none;
  height:40px;
  width:40px;
  border-radius: 20px;
}
.voice-search-icon{
  height:25px;
  margin-top:2px;
}

.right-section{
  display:flex;
  flex-direction:row;
  align-items:center;
  justify-content: space-between;
  width:182px;
  margin-right:20px;
  flex-shrink:0;
}
.upload-icon{
  height:24px;
}
.youtube-apps-icon{
  height:24px;
}
.notifications-icon-container{
  position:relative;
}
.notifications-count{
  position: absolute;
  background-color:rgb(204, 0, 0);
  color:white;
  top:-3px;
  right:-7px;
  border: 2px solid white;
  font-size:10px;
  padding-left:5px;
  padding-right:5px;
  padding-top:2px;
  padding-bottom:2px;
  border-radius:50px;
}
.notifications-icon{
  height:24px;
}
.profile-icon{
  height:32px;
  width:32px;
  border-radius:16px;
}