style.css

QAction {
  margin-left: 15px;

}

QToolBar {
  padding-left: 10px;
  padding-right: 10px;
  background-color: rgb(41, 40, 40);
}


QLineEdit {
  height: 40px;
  font-size: 18px;

  background-repeat: none;
  background-position: left;
  padding-left: 35px;
  margin-left: 10px;
  margin-right: 10px;
  background-color: rgb(41, 40, 40);
  color: white;
}
QMainWindow {
  background-color: rgb(50, 50, 50);
}
QTabWidget {
  border: 0px solid black;
  text-align: left;
}

QTabBar {
  background: #222;
  color: #666;
  border-width: 0;
  text-align: left;
}
QTabBar::tab:top {
  height: 40px;
  min-width: 200px;
  max-width: 300px;
  font-size: 14px;
  text-align: left;
}

QTabBar::tab:top:selected {
  background-color: black;
  color: white;
}
QTabBar::tab:top:!selected {
  color: black;
}

QTabBar::tab:top:hover {
  color: rgb(214, 24, 198);
}
QTabBar::close-button {
  image: url(static/close1.png);
}
QTabBar::close-button:hover {
  image: url(static/close1-hover.png);
}