h1 {
    background: rgb(255, 102, 102);
    color: white;
    margin: 0;
    padding: 10px 20px;
    text-transform: uppercase;
    font-size: 24px;
    font-weight: normal;
}

.fa-plus {
   float: right;
}
body{
    background: #fffbd5;  /* fallback for old browsers */
background: -webkit-linear-gradient(to right, #b20a2c, #fffbd5);  /* Chrome 10-25, Safari 5.1-6 */
background: linear-gradient(to right, #b20a2c, #fffbd5); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */

}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

li {
    background: #fff;
    height: 40px;
    line-height: 40px;
    color: #666;
}

#container {
    background: #f7f7f7;
    box-shadow: 0 0 3px RGB(0,0,0, 0.1);
    margin : 100px auto;
    width : 360px;
}

h1 {
    background: rgb(255, 102, 102);
}

li:nth-child(2n){
    background: #f7f7f7;
}

span {
	background: #e74c3c;
	height: 40px;
	margin-right: 20px;
	text-align: center;
	color: white;
	width: 0;
	display: inline-block;
	transition: 0.2s linear;
	opacity: 0;
}

li:hover span {
	width: 40px;
	opacity: 1.0;
}

input {
    font-size: 18px;
    background-color: #f7f7f7;
    width: 100%;
    padding: 13px 13px 13px 20px;
    box-sizing: border-box;
}

input:focus{
    background: #fff;
    border: 3px solid rgb(255, 102, 102);
    outline: none;
}
.completed {
    color: gray;
    text-decoration: line-through;
}