style.css

* {
    margin: 0 auto;
    padding: 0 auto;
    box-sizing: border-box;
}

.container {
    width: 95%;
}

#input {
    display: flex;
    width: 95%;
    margin: 5px auto;
}

input {
    width: 100%;
    height: 50px;
    border: 2px solid #ddd;
    border-radius: 5px;
    padding: 0px 15px;
}

.btn {
    border-radius: 5px;
    padding: 8px 15px;
    background-color: rgb(5, 218, 136);
    border: none;
    color: white;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    cursor: pointer;
}

.item {
    width: 25%;
    display: flex;
    align-items: center;
}

.item span:nth-child(1),
.item span:nth-child(2) {
    padding: 0 5px;
    text-align: center;
    display: inline-block;
    width:50%;
}

.item span:nth-child(1) {
    font-size: 20px;
    color: green;
}

ul {
    margin-bottom: 10px;
    width: 100%;
    padding-inline-start: 0;
    padding: 0 13px;
}

li {
    display:flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    vertical-align: middle;
    border-bottom: 1px solid #ddd;
    padding: 10px 0;
}

.text {
    width: 70%;
    display: inline-block;
    vertical-align: top;
    line-height: 1.5;
}

.text.del {
    color: red;
}

.none {
    display: none;
}

.block {
    display: block;
}

footer {
    display: flex;
    justify-content: space-evenly;
}

footer .clear {
    background-color: rgb(214, 0, 0);
}