Countdown Break Timer

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