Countdown Break Timer

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