pgadmin4/web/pgadmin/browser/static/css/browser.css

/* Styles for the main browser */
.browser-pane-container {
    position: absolute;
    top: 50px;
    left: 0px;
    width: 100%;
    height: calc(100% - 50px); /* Offset for the nav bar */
    z-index: -1;
}

.browser-browser-pane {
    overflow: auto;
}

.browser-inner-pane {
    padding: 0px;
    overflow: hidden;
}

.browser-center-pane {
    overflow: hidden;
    padding: 0px;
    padding-bottom: 50px /* Offset the nav bar to ensure there's enough scroll space */
}

.browser-tab-panes {
    height: 100%;
}

.browser-tab-pane {
    height: 100%;
}

.browser-tab-content {
    width: 100%;
    height: 100%;
}

.pgadmin-node-select option {
  padding-left: 20px;
}

.pg-login-icon {
  font-size: 16px;
}

.pgadmin_header_logo {
  cursor: default;
}

.icon-drop-cascade:before  {
  font-icon: url('../img/drop_cascade.svg');
  font-size: 1.6em !important;
}

.icon-filter-table-toolbar:before  {
  font-icon: url('../img/row_filter.svg');
}

.icon-query-tool:before  {
  font-icon: url('../img/query_tool.svg');
}