style.css

@import url("https://fonts.googleapis.com/css2?family=Inclusive+Sans&family=Martian+Mono&family=Mooli&family=Open+Sans&family=Roboto&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Mooli", sans-serif;
}

.center {
  display: flex;
  align-items: center;
}

body {
  width: 100%;
  min-height: 100vh;
  background: linear-gradient(135deg, #153677, #4e085f);
  padding: 10em;
}

#todo-app {
  width: 100%;
  max-width: 33.75rem;
  background-color: #fff;
  margin: 6.25rem auto 1.25rem;
  padding: 2.5em 1.875em 4.375em;
  border-radius: 10px;
}

#todo-app h2 {
  color: #002765;
  margin-bottom: 1.25rem;
}

#todo-app h2 img {
  width: 1.875rem;
  margin-right: 0.625rem;
}

form {
  margin-bottom: 1rem;
}

#add-task-input {
  padding: 1em 1.5em;
  background-color: #edeef0;
  width: 80%;
  border: 1px solid #edeef0;
  border-radius: 5px;
}

#add-task-input:focus {
  outline: none;
}

#add-task-btn {
  padding: 1em 1.5em;
  border: none;
  border-radius: 5px;
  color: #fff;
  background-color: #27ae60;
  width: 19%;
}

#add-task-btn:hover {
  background-color: #1e8449;
  opacity: 1;
  transform: translateY(0);
  transition-duration: 0.35s;
  cursor: pointer;
}

#list-container div {
  cursor: pointer;
  margin: 1rem 0;
}

#list-container div input[type='text']{
  border: none;
  outline: none;
  padding: 0 0.3em;
  margin: 0 0.3rem;
  width: 21.1rem;
}

.checked{
  color: #555;
  text-decoration: line-through;
}

#list-container div button {
  padding: 0.3em;
  border-radius: 5px;
  border: none;
  width: 3.5rem;
  margin-left: 0.2rem; 
}

.delete-btn {
  background-color: #ff5945;
  color: #fff;
}

.delete-btn:hover {
  background-color: #e6503e;
  opacity: 1;
  transform: translateY(0);
  transition-duration: 0.35s;
  cursor: pointer;
}

.edit-btn {
  background-color: #2f80ed;
  color: #fff;
}

.edit-btn:hover {
  background-color: #1366d6;
  opacity: 1;
  transform: translateY(0);
  transition-duration: 0.35s;
  cursor: pointer;
}

.task {
  color: black;
}