Countdown Break Timer

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