.el-menu-item {
    font-size: 12px !important;
    height: 32px !important;
    line-height: 32px !important;
}
  
.el-submenu__title {
    font-size: 12px !important;
    height: 42px !important;
    line-height: 42px !important;
}

.el-tabs__header {
    margin: 0;
}

.el-tabs__item {
    font-size: 12px;
    height: 30px;
    line-height: 30px;
}

.el-tabs--border-card>.el-tabs__content {
    padding: 10px;
}

.el-tabs--border-card {
    box-shadow: none;
}