* {
    margin: 0;
    box-sizing: border-box;
    font-family: "cairo", sans-serif;
}
ul {
    list-style: none;
}
.head {
    padding: 20px;
    background-color: #f1ed8c;
    text-align: center;
}
.head::after {
    content: "";
    display: block;
    clear: both;
}
.head h2 {
    font-size: 50px;
    color: #FFFeee;
    text-shadow: 2px 2px 1px rgb(173, 164, 164);
}
.head input {
    width: 75%;
    font-size: 21px;
    outline: none;
    border: 2px solid #efed7f;
    padding: 5px 5px 5px 15px;
    border-radius: 5px;
    float: left;
}
.head span {
    width: 25%;
    text-align: center;
    background: rgb(231, 216, 106);
    float: left;
    padding: 5px;
    font-size: 21px;
    border-radius: 5px;
    border: 2px solid #eee;
    font-weight: bold;
    color: #333;
    cursor: pointer;
    transition: 0.3s;
}
.head span:hover {
    background-color: #6c82d2;
    color: #FFFFFF;
}
.tasks {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;
}
.tasks .task-list {
    padding: 0;
}
.tasks .task-list li{
    padding: 10px;
    font-size: 21px;
    border-bottom: 1px solid #ddd;
    text-align: center;
    cursor: pointer;
}
.tasks .task-list li span {
    float: right;
    cursor: pointer;
    font-size: 32px;
    margin-top: -10px;
    margin-right: -10px;
    font-weight: bold;
    color: #767676;
    transition: 0.8s;
}
.tasks .task-list li span:hover {
    background-color:#e6efb8;
}
.tasks .task-list li:nth-child(even) {
    background-color: lightyellow;
}
.tasks .task-list li:nth-child(odd) {
    background-color: lightgoldenrodyellow;
}
.tasks .task-list li:hover {
    background-color:rgb(231, 216, 106);
}