.tabs {
  width: 100%;
  margin: auto;
  flex-wrap: wrap;
  display: flex;
}
 
.tab_class {
  width: 50%;
  height: 50px;
  background-color: #eee;
  line-height: 50px;
  font-size: 15px;
  text-align: center;
  display: block;
  float: left;
  order: -1;
    margin: 0px;
}
 
input[name="tab_name"] {
  display: none;
}
 
input:checked + .tab_class {
  background-color: black;
  color: aliceblue;
}
 
.content_class {
  display: none;
  width: 100%;
  border: 0px;
  padding: 20px 20px;
}
 
input:checked + .tab_class + .content_class {
  display: block;
}