.completed {
    text-decoration: line-through;
    color: gray;
    border: 1px solid gray;
}

body { 
  background: rgb(237, 198, 198);
  background: radial-gradient(circle, rgba(198, 157, 157, 0) 0%, rgb(135, 187, 230) 100%);
  font-family: arial, sans-serif;
  text-align: center;
  margin-top: 150px;
}

#todo-container{
    background: rgb(159, 178, 189);
    width: 400px;
    margin: 0 auto;
    border: 2px solid #8d96b9;
    padding: 20px;
    color:white;
    border-radius: 15px;
}
#header {
  margin: 5px;
  font-size: 20px;
  text-align: center;
}

h1 {
  margin-bottom: 20px; 
}

#input-box {
  width: 200px;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  margin-right: 5px;
  font-size: 20px;
}

#input-button {
  font-size: 20px;
  cursor: pointer;
  transition: 0.4s;
  padding: 10px;
  border: none;
  border-radius: 5px;
  background-color: #7c9aec;
  color: rgb(82, 82, 82);
}

#input-button:hover {
  background-color: #9eb7fd; 
}

ul{
    list-style: none;
    padding:0;
    margin-top: 20px;
    text-align:left;
}

li{
    border: 2px solid white;
    border-radius:5px;
    margin-bottom: 10px;  
    padding: 10px;
    margin-top: 10px;
}

.edit-btn, .delete-btn{
    float:right;
    color: rgb(12, 0, 146);
    cursor: pointer;
    margin:2px 6px;
    border:none;
    padding: 1px;
    background: none;
}