Countdown Break Timer

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