Countdown Break Timer

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