<div class="wrapper">
<h1>Secret Santa</h1>
  <div class="select-wrap" id="peopleWrap">
    <select id="people"></select>
    <span class="arrow"></span>
  </div>
  <div><button id="choose">Who have I got?</button></div>
  <div id="result"></div>
  <div class="close"><span id="close"></span></div>
</div>

@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,700);

body{
  margin: 0;
  padding: 0;
  background: #E93800;
  font-family: 'Open Sans', sans-serif;
  text-align: center;
  font-size: 18px;
  color: #fff;
}
.wrapper{
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  padding: 0 20px;
}
h1{
  color: #fff;
  -webkit-transform: skew(0, -6deg);
  -moz-transform: skew(0, -6deg);
  -o-transform: skew(0, -6deg);
  transform: skew(0, -6deg);
  text-shadow: 0 0 1px #800;
  font-size: 2.5rem;
}  
select, button{
  padding: 10px;
  font-size: 18px;
  margin: auto;
  cursor: pointer;
  width: 220px;
  font-family: 'Open Sans', sans-serif;
}
.select-wrap{
  position: relative;
  display: inline-block;
  margin: 10px 0 30px;
  border-radius: 5px;
  background: #fefefe;
  box-shadow: 0 0 2px #AC0404;
}
select{
  -webkit-appearance: none;
  background: none;
  border: 0;
  position: relative;
  z-index: 2;
}
select:focus,
select:active{
  outline: 0;
}
select:hover + .arrow,
select:hover + .arrow {
  border-width: 12px;
  right: 8px;
}
.arrow{
  position: absolute;
  z-index: 1;
  height: 0;
  top: 50%;
  margin-top: -5px;
  right: 10px;
  border-right: 10px solid transparent;
  border-left: 10px solid transparent;
  border-top: 10px solid #8EA88E;
  -webkit-transition: 0.2s ease;
  -moz-transition: 0.2s ease;
  -o-transition: 0.2s ease;
  transition: 0.2s ease;
}
button{
  /* from the lovely https://codepen.io/FelipeMarcos/full/tfhEg */
  position: relative;
  background: #63A063;
  border: 0;
  color: #fff;
  font-weight: bold;
  border-radius: 20px;
  box-shadow: 
    inset 0 0 0 1px #2B862B, 
    inset 0 0 0 2px rgba(255,255,255, .15),
    0 8px 0 0 #648052,
    0 8px 0px 1px rgba(0,0,0,.5),
    0 8px 8px 1px rgba(0,0,0,.5);
}
button:hover,
button:focus{
  outline: 0;
  top: 2px;
  background: #63A063;
  -webkit-transition: 0.2s ease-in-out;
  -moz-transition: 0.2s ease-in-out;
  -o-transition: 0.2s ease-in-out;
  transition: 0.2s ease-in-out;
  box-shadow: 
    inset 0 0 0 1px #2B862B, 
    inset 0 0 0 2px rgba(255,255,255, .15),
    0 6px 0 0 #648052,
    0 6px 0px 1px rgba(0,0,0,.5),
    0 6px 8px 1px rgba(0,0,0,.5);
}
button:active{
  outline: 0;
  top: 8px;
  box-shadow: 
    inset 0 0 0 1px #2B862B, 
    inset 0 0 0 2px rgba(255,255,255, .15),
    0 1px 0 0 #648052,
    0 1px 0px 1px rgba(0,0,0,.5),
    0 1px 8px 1px rgba(0,0,0,.5);
}
.close{
  margin: 20px 0;
  cursor: pointer;
  text-decoration: underline;
  color: #000;
}

window.onload = function()
{
  drawList();
};

var give = ['Toby','Pete','Ricky','Jack','Dan Collins','Anthony','Nick','Chris','Solomon','Krystian','Dave','Paul','Ryan','Daniel R'];
var receive = give.concat();
var peopleWrap = document.getElementById('peopleWrap');
var people = document.getElementById('people');
var choose = document.getElementById('choose');
var result = document.getElementById('result');
var close = document.getElementById('close');

function drawList()
{
  people.innerHTML = '<option value="">Who are you?</option>';
  for (var i = give.length - 1; i >= 0; i--) {
    var option = document.createElement('option');
    option.value = i;
    option.innerHTML = give[i];
    people.appendChild(option);
  }
}

function selectPerson(person) 
{
  var name = give[person];
  var nameIndex = receive.indexOf(name);
  
  if(nameIndex >= 0) 
  {
    receive.splice(nameIndex, 1);
  }
  var recipient = Math.floor((Math.random() * receive.length));
  var recipientName = receive[recipient];
  
  receive.splice(recipient, 1);
  give.splice(person, 1);

  if(nameIndex >= 0)
  {
    receive.push(name);
  }
  result.innerHTML = "<h2>" + name + ", you&rsquo;ve got " + recipientName + "!</h2>";
  close.innerHTML = "Okay. Destroy this message.";
  if(give.length > 0)
  {
    drawList();
  }
}

choose.onclick = function()
{
  if(people.value)
  {
    selectPerson(people.value);
  }
};

close.onclick = function()
{
  result.innerHTML = "";
  close.innerHTML = "";
  if(give.length == 0){
 peopleWrap.parentNode.removeChild(peopleWrap);
    choose.parentNode.removeChild(choose);
    result.innerHTML = "<h2>All done!</h2>";
    close.innerHTML = "";
  }
};