h1,
fieldset {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}


div {
  display: block;
}


body {
  font: 13px/20px 'Lucida Grande', Verdana, sans-serif;
  color: #404040;
  background: rgb(84, 121, 83);
}


.tasks {
  margin: 50px auto;
  width: 300px;
  background: rgb(116, 169, 114);
  border: 1px solid #cdd3d7;
  border-radius: 4px;
  -webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}


.tasks-header {
  position: relative;
  line-height: 24px;
  padding: 7px 15px;
  color: #5d6b6c;
  text-shadow: 0 1px rgba(255, 255, 255, 0.7);
  background: #f0f1f2;
  border-bottom: 1px solid black;
  border-radius: 3px 3px 0 0;
  background-image: -webkit-linear-gradient(top, #f5f7fd, #e6eaec);
  background-image: -moz-linear-gradient(top, #f5f7fd, #e6eaec);
  background-image: -o-linear-gradient(top, #f5f7fd, #e6eaec);
  background-image: linear-gradient(to bottom, #f5f7fd, #e6eaec);
  -webkit-box-shadow: inset 0 1px rgba(255, 255, 255, 0.5), 0 1px rgba(0, 0, 0, 0.03);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.5), 0 1px rgba(0, 0, 0, 0.03);
}


.tasks-title {
  line-height: inherit;
  font-size: 20px;
  font-weight: bold;
  color: black;
}


.tasks-list-item {
  display: block;
  line-height: 24px;
  padding: 12px 15px;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}


.tasks-list-item+.tasks-list-item {
  border-top: 1px solid black;
}


.tasks-list-cb {
  display: none;
}


.tasks-list-mark {
  position: relative;
  display: inline-block;
  vertical-align: top;
  margin-right: 12px;
  width: 20px;
  height: 20px;
  border: 2px solid #c4cbd2;
  border-radius: 12px;
}


.tasks-list-mark:before {
  content: '';
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -5px 0 0 -6px;
  height: 4px;
  width: 8px;
  border: solid #39ca74;
  border-width: 0 0 4px 4px;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
}


.tasks-list-cb:checked~.tasks-list-mark {
  border-color: black;
}


.tasks-list-cb:checked~.tasks-list-mark:before {
  display: block;
}


.tasks-list-desc {
  font-size: 16px;
  font-weight: bold;
  color: black;
}


.tasks-list-cb:checked~.tasks-list-desc {
  text-decoration: line-through;
}