Countdown Break Timer

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