Countdown Break Timer

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