.tab-block{
  width:100%;
}
.tab-block .tab-titles {
    display: flex;
  flex-wrap: wrap;
}
.tab-block .tab-titles .tab-title {
    padding: 8px 12px;
    cursor: pointer;
    border: 1px solid #ccc;
    margin-right: 4px;
  }

.tab-block .tab-title.active {
    font-weight: bold;
  }

.tab-block .tab-content {
    margin-top: 10px;
    padding:8px;
    border: 1px solid #ccc;
  }