Countdown Break Timer

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