.item {
  display:flex; 
  margin-top:20px;
}

.icon {
  font-size:22px; 
  margin-right:15px;
}

#div-kb-index-head1{
  height: 45px;
}

#div-kb-index-head2{
  background-color: #f0f2f4;
  padding: 20px 10px 30px 20px;
  margin-bottom: 30px;
}

#div-kb-index-body1{
  min-height: 400px;
  margin-bottom: 40px;
}

#div-kb-index-body2{
  height: 10px;
}

#div-kb-index-body3{
  margin-left: 10px;
  margin-right: 10px;
}

#div-kb-index-bottom{
  height: 100px;
}

#div-kb-contain-head1{
  height: 45px;
}

#div-kb-contain-head2{
  background-color: #f0f2f4;
  padding: 20px 10px 30px 20px; 
  margin-bottom: 30px;
}

#div-kb-contain-body1{
  min-height: 400px; 
  margin-bottom: 40px;
}

#div-kb-contain-bottom{
  height: 100px;
}