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

body {
    background-color: #f2f2f2;
}
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background-color: gray;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}
h1 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 24px;
}
form {
    display: flex;
    margin-bottom: 20px;
}
input[type="text"], input[type="search"] {
  flex: 1;
  padding: 10px;
  font-size: 16px;
  border: none;
  border-radius: 4px 0 0 4px;
  background-color: #fff;
}
button {
  padding: 10px 20px;
  font-size: 16px;
  margin-left: 5px;
  background-color: #4CAF50;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}
li {
  display: flex;
  align-items: center;
  padding: 10px;
  justify-content: space-between;
  margin-top: 12px;
  margin-bottom: 5px;
  background-color: #f2f2f2;
  border-radius: 4px;
  box-shadow: 0 2px 2px rgba(0, 0, 0, 0.1);
}

.btn img{
  cursor: pointer;
}

footer{
  display: flex;
  justify-content: center;  
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  background-color: gray;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}
footer a{
  text-decoration: none;
}