.navbar {
    display: block;
    background-color: Black;
    width: 100%;
    height: 80px;
    margin-bottom: 0px;
 

}


.navbar_center_text {
    display: inline-flex;
    padding-left: 540px;
    padding-top: 5px;
    font-size: 50px;
    color: white;
    user-select: none;
}


.nickname {
    display: inline-flex;
    color: white;
    padding-left: 10px;
    transition: color 0.4s ease;
}

.nickname a {
    text-decoration: none;
    color: white;
    transition: color 0.4s ease;
}

.nickname a:hover {
    color: brown    ;
}






@media (max-width: 600px) {


    .navbar_center_text {
    padding-left: 30px;
    font-size: 30px;
    text-align: center;
  } 
    .nickname {
    display: none;
  }
}