.header {
  height: 55px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  position: fixed;
  top: 0;
  left: 0; 
  right:0;
  background-color: white;
  border: 1px solid rgb(228,228,228);
  z-index: 100;
}
.left-section{  
  display: flex;
  align-items: center;
}
.hamburger-menu{
  height: 24px;
  margin-left: 24px;
  margin-right: 24px;

}
.youtube-logo{
  height: 24px;

}
.middle-section{
  display: flex;
  flex: 1;
  align-items: center;
  margin-right: 35px;
  margin-left: 70px;
  max-width: 500px;
}
.search-bar{
  flex: 1;
  height: 36px;
  padding-left: 10px;
  font-size: 16px;  
  border: 1px solid rgb(192,192,192);
  border-radius: 2px;
  box-shadow:  inset 1px 2px 3px rgba(0,0,0,0.05);
  width: 0;  
}
.search-bar::placeholder{
  font-size: 16px;
} 
.search-button{
  height: 40px;
  width: 60px;
  padding: 0;
  background-color: rgb(240,240,240);  
  border: 1px solid rgb(192,192,192);
  border-radius: 2px;
  margin-left: -1px;
  margin-right: 10px;
}
.search-button, .speech-search-button, .upload-icon-container, .apps-icon-container, .notifications-icon-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.search-button .tooltip, .speech-search-button .tooltip, .upload-icon-container .tooltip, .apps-icon-container .tooltip, .notifications-icon-container .tooltip{
  position: absolute;
  background-color: grey;
  color: white;
  padding-bottom: 4px;
  padding-top: 4px;
  padding-left: 8px;
  padding-right: 8px;
  border-radius: 2px;
  font-size: 12px;
  bottom: -30px;
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
  white-space: nowrap;
}  

.search-button:hover .tooltip, .speech-search-button:hover .tooltip, .upload-icon-container:hover .tooltip, .apps-icon-container:hover .tooltip, .notifications-icon-container:hover .tooltip {
  opacity: 1;
}
.search-icon{
  height: 25px;
}
.speech-search-button{
  height: 40px;
  width: 40px;
  padding: 0;
  border-radius: 20px;
  background-color: rgb(240,240,240);
  border: 1px solid rgb(192,192,192);
}
.speech-search-icon{
  height: 24px;
}
.right-section{
  width: 180px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-right: 20px;
  flex-shrink: 0;
}
.upload-icon{
  height: 24px;
}
.apps-icon{
  height: 24px;
}
.notifications-icon-container{
  position: relative;
}
.notifications-icon{
  height: 24px;
}
.notifications-count{
  background-color: rgb(200,0,0);
  color:white;
  font-size: 11px;
  padding-left: 5px;
  padding-right: 5px;
  padding-bottom: 2px;
  padding-top: 2px;
  border-radius: 10px;  
  position: absolute;
  top: -2px;
  right: -5px;  
}
.current-user-profile{
  width: 30px;
  height: 32px;
  border-radius: 16px;  
}