Countdown Break Timer

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