:root {
  --main-text-color: #1b1b1b;
  --accent-text: rgb(144, 144, 144);
  --accent-color-input-btn: rgb(21, 232, 21);
  --accent-color-del-btn: rgb(205, 8, 8);
}
.main {
  display: flex;
  flex-direction: column;
  width: 50%;
  min-height: 300px;
  margin: 10% auto;
  padding: 1.2rem;
  border: 2px solid var(--main-text-color);
  border-radius: 15px;
  justify-content: center;
  color: var(--main-text-color);
  font-size: 18px;
}
@media(max-width:768px)  {
  .main{
    width: 100%;
    margin: 10px auto;
  }
}
h1 {
  font-size: 32px;
  text-align: center;
}
.wrapper {
  display: flex;
  width: 100%;
  padding: 3px;
  border: 2px solid var(--main-text-color);
  border-radius: 10px;
}
.addTask {
  width: 100%;
  border: none;
  padding: 0 0 0 5px;
}
.addTask::placeholder {
  font-size: 16px;
  color: var(--accent-text);
}
.addTask:focus {
  outline: none;
}
.addBtn {
  width: 40px;
  height: 40px;
  padding: 0px 8px 5px 0px;
  border-radius: 8px;
  background-color: var(--main-text-color);
}
.addBtn .icon {
  display: block;
  margin: auto;
  height: 100%;
  color: #fff;
  transition: 0.3s;
}
.addBtn:hover .icon {
  color: var(--accent-color-input-btn);
}
.tasksList {
  padding: 0 20px;
}
.taskItem {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 5px 0;
  border-bottom: 1px solid var(--accent-text);
}
label {
  width: 100%;
  padding-left: 10px;
}
input:checked ~ label {
  text-decoration: line-through;
  color: var(--accent-text);
}
input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}
.checkmark {
  transition: 0.3s;
  display: block;
  width: 15px;
  height: 15px;
  border: 1px solid var(--main-text-color);
  background-color: transparent;
  border-radius: 5px;
}
input:checked ~ .checkmark {
  background-color: var(--accent-text);
}
.delTask {
  width: 30px;
  height: 30px;
  border: none;
  background-color: transparent;
  padding: 0;
}
.delTask:hover .icon {
  transition: 0.3s;
  color: var(--accent-color-del-btn);
}
.delTask .icon {
  width: 100%;
  height: 100%;
  color: var(--main-text-color);
  padding: 0 4px 4px 0;
}