.header{
    height: 55px;
    display: flex;
    flex-direction: row;
    justify-content:space-between;
    position: fixed;
    background-color: white;
    left: 0;
    top: 0;
    right: 0;
    border-bottom-width:1px ;
    border-bottom-style:solid ;
    border-bottom-color:rgb(231, 229, 229) ;
    height: 60px;
    z-index: 100;
    
}
.left-section{
    
    width: 150px;
    display: flex;
    align-items:center;

}
.middle-section{

flex: 1;
margin-left: 70px;
margin-right: 40px;
max-width: 500px;
display: flex;
align-items: center;
}
.right-section{
    
    width: 180px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    margin-right: 30px;
    

}
.hamburger-menu{
    height: 25px;
    margin-left: 24px;
    margin-right: 24px;
    cursor: pointer;
}
.youtube-logo{
    height: 20px;
    cursor: pointer;
}
.search-button{
height: 39px;
width: 66px;
background-color: rgb(245, 245, 245);
border-width: 1px;
border-style: solid;
margin-left: -1px;
border-color:rgb(192, 192,192 ) ;
cursor: pointer;
position: relative;

}
.tooltip{
    position: absolute;
    background-color: gray;
    padding-left: 4px;
    padding-right: 4px;
    padding-top: 4px;
    padding-bottom: 4px;
    font-size: 12px;
    font-family: Roboto,Arial;
    color: white;
    border-radius: 2px;
    bottom: -40px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.1s;
}
.search-button:hover .tooltip{
    opacity: 1;

}

.voice-search-button{
    height: 40px;
width: 40px;
border-width: 0;
background-color: rgb(245, 245, 245);
border-radius: 20px;
margin-left: 10px;
cursor: pointer;
position:relative;

}
.tooltip1{
    position: absolute;
    background-color: gray;
    padding-left: 15px;
    padding-right: 15px;
    padding-top: 8px;
    padding-bottom: 8px;
    font-size: 12px;
    font-family: Roboto,Arial;
    color: white;
    border-radius: 2px;
    bottom: -50px;
    left:-20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.1s;
    white-space:nowrap;

}
.voice-search-button:hover .tooltip1{
    opacity: 1;

}
.voice-search-icon{
    margin-top: 2px;
    height: 25px;
    
}
.search{
    width: 60px;
    height: 36px;
    flex: 1;
    padding-left: 10px;
    border-width: 1px;
    border-style: solid;
    border-color: rgb(192, 192,192 );
    font-size: 16px;
    border-radius: 2px;
    box-shadow: inset 1px 2px 3px rgba(0,0,0,0.05) ;
    width: 0;

}
.search::placeholder{
  
   
    font-family:  Roboto,Arial;
    font-size: 16px;
    
}
.search-icon{
    height: 25px;
    margin-top: 2px;
    
    
}
.upload-icon{
    height:24px;
    cursor: pointer;
}
.youtube-apps-icon{
    height: 24px;
    cursor: pointer;
}
.notification-icon{
    height: 24px;
    cursor: pointer;
}
.channel-icon{
    height: 30px;
    border-radius: 16px;
    cursor: pointer;
    
}
.notification-icon-container{
    position: relative;

}
.tooltip4{
    position: absolute;
    font-family: Roboto,Arial;
    background-color: gray;
    color: white;
    font-size: 12px;
    padding-left: 6px;
    padding-right: 6px;
    padding-top: 6px;
    padding-bottom: 6px;
    border-radius: 2px;
    bottom: -40px;
    left: -20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.1s;
}
.notification-icon-container:hover .tooltip4{
opacity: 1;
}

.notification-count{
    top: -2px;
    right: -2px;
    font-family: Roboto,Arial;
    font-size: 10px;
    padding-left: 5px;
    padding-right: 5px;
    padding-top: 2px;
    padding-bottom: 2px;
    background-color: rgb(190, 27, 27);
    color: white;
    position: absolute;
    border-radius: 20px;

}
.create-icon{
    position: relative;

}
.tooltip2{
    position: absolute;
    background-color: gray;
    font-size: 12px;
    font-family: Roboto,Arial;
    color: white;
    padding-left: 6px;
    padding-right: 6px;
    padding-top: 6px;
    padding-bottom: 6px;
    bottom: -40px;
    border-radius: 2px;
    opacity: 0;
    pointer-events: none;
    transition: 0.1s;

}
.create-icon:hover .tooltip2{
    opacity: 1;
}
.youtube-apps-button{
    position: relative;
}
.tooltip3{
    position: absolute;
    background-color: gray;
    font-family: Roboto,Arial;
    color: white;
    white-space: nowrap;
    font-size: 12px;
    padding-left: 6px;
    padding-right: 6px;
    padding-top: 6px;
    padding-bottom: 6px;
    border-radius: 2px;
    bottom: -40px;
    left: -20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.1s;
}
.youtube-apps-button:hover .tooltip3{
    opacity: 1;
}