Todo List/style/style.css
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  width: 350px;
  margin-left: 480px;
  background: linear-gradient(80deg, blue, red);
}

main {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
  background: linear-gradient(80deg, red, blue);
  border-radius: 12px;
  padding: 50px;
  margin-top: 50px;
  background-color:darkorchid;
}
h1 {
  margin-bottom: 20px;
  color: gold;
}
.box {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.text-box {
  display: flex;
}
.task-wrapper {
  width: 100%;
}

input {
  font-family: "Roboto", sans-serif;
  font-family: "Vazirmatn", sans-serif;
  width: 100%;
  height: 36px;
  background-color: yellow;
  color: gray;
  font-size: 15px;
  border: 0;
  outline: 0;
  padding: 10px;
  border-radius: 5px;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}
input:hover {
  background-color: gold;
}

i.fa-plus {
  padding: 10px;
  background-color: yellowgreen;
  color: brown;
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
  cursor: pointer;
}
i.fa-plus:hover {
  background-color: green;
}
select {
  padding: 10px;
  border: none;
  outline: none;
  border-radius: 10px;
  margin-left: 10px;
  position: relative;
}
.to-do {
  width: 100%;
  background-color: yellow;
  color: gray;
  font-size: 18px;
  width: 240px;
  border-radius: 7px;
  padding: 10px;
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.action {
  display: flex;
  justify-content: space-between;
  width: 80px;
}
.fa-check {
  color: green;
  padding: 10px;
  border-radius: 10px;
  transition: all 0.2s ease-in-out;
}
.fa-check:hover {
  background-color: yellowgreen;
  color: green;
}

.fa-trash {
  padding: 10px;
  border-radius: 10px;
  color: red;
  transition: all 0.2s ease-in-out;
}

.fa-trash:hover {
  background-color: rgba(255, 0, 0, 0.555);
  color: red;
}
.completed {
  opacity: 0.8;
}