element of style to modify the label tab

.tabContainer {
  width: 1200px;
  height: auto;
  margin: 0 auto;
  background: #D4E3FB;
  position: relative;
}

.tabContainer .el-tabs--border-card{
  border: none;
  -webkit-box-shadow: none;
  box-shadow: none;
}
.tabContainer > .el-tabs--border-card > .el-tabs__header {
  /**/
  background-color: #1B2945;
  border: none;
  border-top: 1px solid #1B2945;
  border-radius: 3px;
  margin: 0;
}
.tabContainer .el-tabs--border-card>.el-tabs__header .el-tabs__item{
  color: #FFFFFF;
  text-align: center;
  border: none;
  min-width: 80px;
}
.tabContainer .el-tabs--border-card>.el-tabs__header .el-tabs__item.is-active {
  color: #1B2945;
  background-color: #FFF;
  /*border-right-color: #DCDFE6;*/
  /*border-left-color: #DCDFE6;*/
  border: none;
  box-shadow: none;
}
.el-tabs--border-card > .el-tabs__content {
  margin: 0;
  padding: 0;
  height: 0;
}
.tabContainer .el-tabs--border-card>.el-tabs__header .el-tabs__item:not(.is-disabled):hover {
  color: #409EFF;
  /*color: #FFFFFF;*/
}
/*input*/
.tabContainer .tabInput {
  background: none;
  width: 160px;
  height: 28px;
  position: absolute;
  right: 0;
  top: 5px;
  margin-right: 10px;
}

.tabContainer .el-input__inner {
  -webkit-appearance: none;
  background: none;
  border-radius: 4px;
  border: 1px solid #DCDFE6;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  color: #606266;
  display: inline-block;
  font-size: 15px;
  height: 28px;
  line-height: 28px;
  outline: 0;
  transition: border-color .2s cubic-bezier(.645, .045, .355, 1);
  width: 100%;
}

.tabContainer .el-input__icon {
  height: 100%;
  width: 25px;
  text-align: center;
  -webkit-transition: all .3s;
  transition: all .3s;
  line-height: 28px;
}