:root {
  --bg: #f9fafb;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --text: #111827;
  --text-secondary: #6b7280;
  --success: #10b981;
  --danger: #ef4444;
}

* {
  padding: 0;
  margin: 0;
  font-family: "Intel One Mono", monospace;
  color: var(--text);
}

body {
  background-color: var(--bg);
}

img {
  width: 200px;
}

header {
  background-color: var(--bg);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100px;
  box-shadow: 0px 1px var(--text);
}

section {
  padding: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.addTask input {
  padding: 21px;
  border-radius: 5px;
  border: none;
  margin-left: 20px;
  border: 2px solid var(--text);
}

button {
  padding: 20px;
  background-color: white;
  border-radius: 5px;
  border: 2px solid var(--text);
  font-weight: bold;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0px 0px;
  transition: 0.5s;
}

button:hover {
  background-color: var(--primary-hover);
  color: var(--bg);
  box-shadow: 0px 0px 0px 4px var(--bg);
}

.container {
  width: 90%;
  height: auto;
  padding: 40px;
  background-color: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: 10px;
}

h2 {
  width: 100%;
  text-align: center;
  padding-bottom: 40px;
  color: var(--text);
  font-size: 20px;
}

li {
  display: flex;
  flex-wrap: wrap;
  list-style-type: none;
  margin-top: 20px;
  cursor: pointer;
  border-bottom: 1px solid var(--text);
  padding: 10px;

}

#check-box {
  padding-right: 10px;
  transition: 0.5s;
}

#trash {
  margin-left: 40px;
  transition: 0.5s;
}

#trash:hover {
  color: var(--danger);
}

#check-box:hover {
  color: var(--success);
}

footer {
  background-color: var(--bg);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 50px;

}
.back
{
    background-color: var(--primary);
    padding: 40px;
}