Schrift in den Tabs nicht mehr mittig

/*Tabtext zentriert*/
.tab-content {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
}

.tab-close-button{
  flex-shrink: 0 !important;
  margin-left: 22px !important;  
  width: 24px !important;
}


.tabbrowser-tab {
    max-height: 26px !important;
}

.tabbrowser-tab:not([selected]) .tab-content { 
    border-right: 0px solid black !important;
}

.tabbrowser-tab::after, .tabbrowser-tab::before {
    margin-inline-start: 0px !important;
    border-left: 0px solid !important;
    border-image: none !important;
    border-image-slice: 0 !important;
    width: 0px !important;
    box-sizing: border-box;
    opacity: 0 !important;
}