style.css

@import url('https://fonts.googleapis.com/css2?family=Croissant+One&family=Nunito+Sans:opsz,wght@6..12,200&family=Poppins:ital,wght@0,100;1,300&family=Sora:wght@300;400;500;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
  outline: none;
}

body {
  background: url("./assets/background.png");
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  background-color: #d1d1d1;
  width: 500px;
  border-radius: 10px;
  padding: 20px;
  margin: 100px auto 0;

}

.input-task {
  border: none;
  border-radius: 5px;
  width: 300px;
  height: 40px;
  padding-left: 10px;
}

.add-task {
  border: none;
  border-radius: 5px;
  height: 40px;
  background-color: #0033;
  color: white;
  font-size: 17px;
  padding: 0 15px;
  float: right;
  cursor: pointer;
}

.add-task:hover {
  opacity: 0.8;

}

.add-task:active {
  opacity: 0.6;
}

.list-task {
  width: 100%;
  list-style: none;
  margin-top: 30px;
}

img {
  height: 25px;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
  cursor: pointer;
  border-radius: 20px;
}

.task {
  background-color: #f2f2f2;
  box-shadow: 1px 4px 10px rgba(0, 0, 0, 0.2);
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 15px;
  border-radius: 5px;
  margin-bottom: 20px;

}

.task:hover img {
  opacity: 1;

}

.done {
  background-color: #8fac55;
  text-decoration: line-through;
}


@media screen and (max-width: 768px) {
  .container {
    width: 100%;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
}

@media screen and (max-width: 768px) {
  .add-task {
    width: 100%;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
}

@media screen and (max-width: 768px) {
  .input-task {
    width: 100%;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: black;
  }
}