style.css

html,body{
  background-color: #ffeccc;
  font-family: 'Muli', sans-serif;
}

/* Include the padding and border in an element's total width and height */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
section{
  width: 80%;
  margin: 50px auto;
  border: 1px solid #fff;
  border-radius: 5px;
  background: white;
  box-shadow: 1px 2px 6px #efdcbc;
}


/* Remove margins and padding from the list
ul {
  margin: 0;
  padding: 0;
}*/

/* Style the list items */
ul li {
  cursor: pointer;
  position: relative;
  padding: 12px 8px 12px 40px;
  list-style-type: none;
  background: #fff;
  font-size: 18px;
  transition: 0.2s;

  /* make the list items unselectable */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  color: #ea526f;
  border-top: 1px solid #fbc2b5;
}


/* Darker background-color on hover */
ul li:hover {
  background: #fbc2b5;
}
ul li:last-child{
  border-bottom: 1px solid #fff;
}
ul li:last-child:hover{
  border-bottom: 1px solid #fbc2b5;
}
/* When clicked on, add a background color and strike out text */
ul li.checked {
  background: #ea526f;
  color: #fff;
  text-decoration: line-through;
}

/* Add a "checked" mark when clicked on */
ul li.checked::before {
  content: '';
  position: absolute;
  border-color: #fff;
  border-style: solid;
  border-width: 0 2px 2px 0;
  top: 10px;
  left: 16px;
  transform: rotate(45deg);
  height: 15px;
  width: 7px;
}

/* Style the close button */
.close {
  position: absolute;
  right: 0;
  top: 0;
  padding: 12px 16px 12px 16px;
}

.close:hover {
  background-color: #44bba4;
  color: white;
}

/* Style the header */
.header {
  background-color: #44bba4;
  padding: 30px 40px;
  color: white;
  text-align: center;
}

/* Clear floats after the header */
.header:after {
  content: "";
  display: table;
  clear: both;
}
.form-addList:after{
  content: "" ;
  display: table;
  clear: both;

}
/* Style the input */
input {
  border: none;
  width: 90%;
  padding: 10px 40px;
  float: left;
  font-size: 18px;
  color: #fbc2b5;
}

/*Placeholder Color*/
::placeholder{
  color: #ddd8b8;
  font-size: 16px;
  font-style: italic;
}

/* Style the "Add" button */
.add-btn {
  width: 10%;
  background: #fff;
  padding: 7px;
  color: #ea526f;
  float: left;
  text-align: center;
  font-size: 16px;
  cursor: pointer;
  transition: 0.3s;
  border: 0 solid white;
}

.add-btn:hover {
  background-color: #fbc2b5;
  border-top-right-radius: 5px;
}