.tab-content-block {
  display: none;
}
.tab-content-block.active {
  display: block;
}
.index-block__part--right_custom{
text-align: right;
width:20%;
}
.index-block__part--left_custom{
display:flex;
justify-content: space-between;
align-items: center;
padding: 1rem 0;
//background: #f1f1f3;
}
 
.index-block__part--left_custom > h3{
margin:0;
}
.element-list{
padding: 2.5rem 0;
}