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<html>
<body>
<div class="container-fluid">  
<h1>Pomodoro Clock</h1>
  
  <div class="row">
<div class="col-md-6" id = "break">  
<div>
  <button class = "btn btn-large btn-inline btn-dark" id= "breakMinusTime">-</button>
  <h2 class = inline>break</h2>
  <button class = "btn btn-large btn-inline btn-dark" id= "breakPlusTime">+</button>
  </div>
   <div class = "square">
   <p  id="breakClock">05:00</p>
  </div>
  <div>
  <button onclick=breakTimer() class= "btn btn-larger btn-inline btn-dark btn-space " id="breakStart">start</button> 
  <button class= "btn btn-larger btn-inline btn-dark btn-space " id="breakStop">stop</button>        
  <button class="btn btn-larger btn-inline btn-dark btn-space " id="breakReset">reset</button>  
  </div>
   
  </div>
  
 <div class="col-md-6"> 
   <div>
     <button class = "btn btn-large btn-inline btn-dark" id= "mainMinusTime">-</button>
  <h2 class = inline>work</h2> 
     <button class = "btn btn-large btn-inline btn-dark" id= "mainPlusTime">+</button>
   </div>
     <div>
<div class = "square">     
<p id="clock">25:00</p>
     </div>
       <div>
<button onclick=mainTimer() class="btn btn-larger btn-inline btn-dark btn-space " id="start">start</button>     
<button class= "btn btn-larger btn-inline btn-dark btn-space " id="stop">stop</button> 
<button class="btn btn-larger btn-inline btn-dark btn-space " id="reset">reset</button> 
       </div>
  </div>
    </div>
    
    
  
  
  
  </div>
</body>
</html>
            
          
!
            
              body {
  text-align: center;
  color: black;
  background-color: white;
}

h1 {
  color: gray;
  font-size:70pt;
  margin-top: 50px;
  margin-bottom: 70px;
}

.btn-space {
  margin-left: 0px;
  margin-right: 0px;
  }
}

h2 {
  margin-top: 50px;
  margin-left: 30px;
  margin-right: 30px;
}

p {
  
  font-size:36pt;
}

#break {
  margin-bottom: 100px;
}


.btn-dark{
  background-color: gray;
  outline: gray;
  color: white;
}
.btn-dark:hover {
  color: #fff;
  background: rgba(0, 0, 0, 0.4);
  border-color: white;
}

.circle {
  border-color:rgb(200,250,150) ;
    border-width: 10px;
    border-style: solid;
    border-radius: 50%;
    height: ;
  margin-bottom: 25px;
}

.square {
  border-color: rgb(38,1,38);
  border-width: 10px;
  border-style: solid;
  border-radius: ;
  margin-left: 50px;
  margin-right: 50px;
  margin-bottom: 30px;
  margin-top: 30px;
  background-color: rgb(191,191,191);
}

.breakClock {
  
}

#clock, #breakClock {
  font-size: 70pt;
}

div {display:block;
  
}
.inline {display:inline-block;}
.btn-inline{display:inline-block;
vertical-align: 50%;}
.btn-larger {
  font-size: 20pt;
}
            
          
!
            
              
var t = 25;  // default time for main timer in minutes
var z = 5; //default time for break timer in minutes

//updates main clock, is called when increasing or decreasing work time 
function updateClock(){ 
if (t<10){document.getElementById("clock").innerHTML="0"+t+":"+"00"};               if (t>=10) {document.getElementById("clock").innerHTML=t+":"+"00"};       

}

//decrease work time
document.getElementById("mainMinusTime").onclick = function(){
  t -=1;
  
updateClock(); }

//increase work time
document.getElementById("mainPlusTime").onclick = function(){
  t +=1;
 
updateClock(); }

//updates break clock, is called when increasing or decreasing break time
function updateBreakClock(){ 
if (z<10){document.getElementById("breakClock").innerHTML="0"+z+":"+"00"};               if (z>=10) {document.getElementById("breakClock").innerHTML=z+":"+"00"}; 
}

//decrease break time
document.getElementById("breakMinusTime").onclick = function(){
  z -=1;
  
  updateBreakClock();
 }
//increase break time
document.getElementById("breakPlusTime").onclick = function(){
  z +=1;
  
  updateBreakClock();
 }




//timer functions are below

//puts a zero in front of a digit smaller than ten so the clock looks good, used in main timer function
function timeFormat(x) { 
    var corrected = x;
    if (x<10) {
      corrected = "0" + x;}
      return corrected;
    
  }
//converts time in minutes to ms
function timerSet(x) {
  millesecs = x * 60 * 1000;
  return millesecs
}

function mainTimer(){
var start = new Date();
var myVar = setInterval(myTimer, 100);


function myTimer() {
    var now = new Date();
  var a = start.getTime()+timerSet(t)-now.getTime();
  var date = new Date(a);
   
var m = date.getMinutes();
var formattedM = timeFormat(m);  
var s = date.getSeconds();
var formattedS = timeFormat(s);  document.getElementById("clock").innerHTML = formattedM + ":" + formattedS;

  //on stop, the clock saves the time left, a, and stores it as t, the timer setting in minutes
document.getElementById("stop").onclick = function(){ 
t = a /60000;
  clearInterval(myVar);}  

document.getElementById("reset").onclick = function(){ 
  clearInterval(myVar);
  t =25;
  updateClock();
}

if (s==0 && m==0){
  clearInterval(myVar);
  window.alert("Time is up!"); 
  breakTimer();
 
}  
}
}

//break functions below
function breakTimer(){
var start = new Date();
var myVar2 = setInterval(myTimer, 100);

function myTimer() {
    var now = new Date();
  var a = start.getTime()+timerSet(z)-now.getTime();
  var date = new Date(a);
   
var m = date.getMinutes();
var formattedM = timeFormat(m);  
var s = date.getSeconds();
var formattedS = timeFormat(s);  document.getElementById("breakClock").innerHTML = formattedM + ":" + formattedS;

document.getElementById("breakStop").onclick = function(){ 
z= a /60000;
  clearInterval(myVar2);}  
  
document.getElementById("breakReset").onclick = function(){ 
  clearInterval(myVar2);
  z = 5;
  updateBreakClock();
}

if (s==0 && m==0){
  clearInterval(myVar2);
  window.alert("Break is up!"); 
  mainTimer();
}  
}
}
            
          
!
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