body {
    font-family: sans-serif;
    margin: 0px;
    height: 100vh;
    background: linear-gradient(90deg, #2BC0E4 10%, #EAECC6 90%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 25px;
}

header {
    display: flex;
    margin: 0px;
    padding: 15px;
    background-color: steelblue;
}

input {
    background-color: transparent;
    box-sizing: border-box;
    border: 2px solid transparent;
    font-size: 25px;
    padding: 10px;
    margin: 0px;
    width: 100%;
}

input:focus {
    border: 2px #2BC0E4 solid;
    color: grey;
}

ul {
    margin: 0px;
    padding: 0px;
    list-style: none;
    height: 100%;
}

li {
    display: flex;
}

#title, #add {
    margin: 0px;
    padding: 0px;
}

#title {
    color: white;
    font: sans-serif;
}

#content {
    background-color: white;
}

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

.item{
    padding: 20px;
    width : 100%;
}

header > p {
    flex-grow: 1;
}

.fa-trash {
    width: 0px;
    background-color: red;
    padding: 20px 0px 20px 0px;
}

li:hover > .fa-trash {
    width: 20px;
    padding: 20px 20px 20px 20px;
    transition: 0.4s linear;
}

li:nth-child(2n+1) {
    background-color: #f7f7f7;
}

/* icons */
.fa-plus, .fa-trash{
    color: white;
}