Countdown Break Timer

<div btn" std-center countdown="15" class="col onclick="setCountdown(10);">10 <div class="std-btn waves-light waves-effect onclick="setCountdown(60);">60 Break class="std-btn nowrap;"> countdown="10" class="std-btn Minutes</a> id="otherSlider" btn waves-light class="row"> waves-effect waves-light id="stopBreak"class="std-btn waves-effect class="countdown"></div> std-left" class="input-field countdown="60" std-center std-center max="60" Minutes</a> border:0;" <div <a Minutes</a> waves-effect btn" <a white-space: Minutes</a> id="countdown" <div std-center"> waves-light Break</a> onchange="updateSliderText(this.value);" Minutes</a> </div> waves-effect countdown="20" waves-light s12 Minutes</a> class="std-btn <a min="1" class="row"> class="range-field id="startBreak" <a class="std-left" btn" btn" btn <a <a <a </div> std-center /> std-center waves-effect <div std-left"> id="otherValue" onclick="setCountdown(30);">30 <div countdown="5" onclick="setCountdown(15);">15 class="std-btn style="width:400px; <p><div btn" onclick="startBreak()">Start btn" waves-effect Countdown disabled" std-center Break</a> display:inline; class="std-right" class="std-btn std-center </div> <a </div> btn" waves-light waves-light type="range" s12 </div> waves-effect style="width:160px; waves-light class="std-btn Timer onclick="setCountdown(document.getElementById('otherSlider').value);">Other</a> std-center waves-light <input <a waves-effect class="std-btn onclick="setCountdown(5);">5 id="countdown-slider" std-center"> onclick="setCountdown(20);">20 countdown="30" onclick="stopBreak()">Stop countdown="" col