h2 {
    background: #2980b9;
    color: white;
    margin: 0;
    padding: 10px 20px;
    text-transform: uppercase;
    font-size: 20px;
    font-weight: 400;
    text-align: center;
}

.toDoBody {
    width: 450px;
    box-shadow: 0 0 3px rgba(0,0,0,0.2);
    margin: 20px auto;
    background: #f7f7f7;
}

.fa-plus {
    float: right;
}

input:focus {
    outline: none;
    border: 2px solid #2980b9;
    background: white;
}

input {
    font-size: 18px;
    color: #2980b9;
    background: #f7f7f7;
    width: 100%;
    padding: 8px 8px 8px 10px;
    box-sizing: border-box;
    border: 2px solid rgba(0,0,0,0);
}

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

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

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

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

.toDoBody span {
    background: #e74c3c;
    height: 40px;
    margin-right: 20px;
    text-align: center;
    color: white;
    width: 0;
    display: inline-block;
    opacity: 0;
    transition: 0.3s linear;
}

.completed {
    color: gray;
    text-decoration: line-through;
}