.bt_tabs figure { 
   display: block; 
   margin-left: 0; 
   clear: both;
}

.bt_tabs > input,
.bt_tabs figure > div { display: none; }

.bt_tabs figure>div {
  width: 100%;
}

.bt_tabs #tab1:checked ~ figure .tab1,
.bt_tabs #tab2:checked ~ figure .tab2,
.bt_tabs #tab3:checked ~ figure .tab3 { display: block; }

.bt_tabs nav label {
    float: left;
    text-align: center;
    padding: 8px 5px;
    border: 1px solid silver;
    margin-bottom: 15px;
    width: 85px;
}

.bt_tabs nav label:hover { 
    background: hsl(210,50%,40%); 
    color: white; 
    cursor: pointer;
}
.bt_tabs nav label:active { 
    background: #23a9f0; 
}

.bt_tabs #tab1:checked ~ nav label[for="tab1"],
.bt_tabs #tab2:checked ~ nav label[for="tab2"],
.bt_tabs #tab3:checked ~ nav label[for="tab3"] {
    background: #23a9f0;
    color: white;
    position: relative;
}