*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    width: 100%;
    height: 100%;
}
.box{
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(135deg, blue, purple,purple);
    position: relative;
}
.card{
    width: 90%;
    max-width: 100vh;
    background: white;
    padding: 40px 20px;
    border-radius: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.card .tag{
    width: 100%;
    height: 10vh;
    font-size: 24px;
    color: indigo;
    font-weight: 600;
}
.search{
    width: 100%;
    height: 8vh;
    border-radius: 40px;
    position: relative;
}
.search input{
    width: 80%;
    height: 100%;
    border-radius: 40px;
    border: none;
    padding: 10px;
    padding-right: 70px;
    outline: none;
    background-color: lightblue;
    font-size: 18px;
}
.search button{
    width: 29%;
    height: 100%;
    border-radius: 40px;
    border: none;
    background-color: red;
    color: white;
    position: absolute;
    top: 0;
    right: 0;
    cursor: pointer;
}
ul li{
    list-style: none;
    font-size: 18px;
    padding: 12px 8px 12px 50px;
    margin-top: 20px;
    user-select: none;
    cursor: pointer;
    position: relative;
}
ul li::before{
    content: '';
    position: absolute;
    height: 28px;
    width: 28px;
    border-radius: 50%;
    background-image: url(images/unchecked.webp);
    background-size: cover;
    background-position: center;
    top: 8px;
    left:10px;
}
ul li.checked{
    color: #555;
    text-decoration: line-through;
}
ul li.checked::before{
    background-image: url(images/checked.png);
}
.del{
    font-size: 24px;
    border: none;
    outline: none;
    color: red;
    cursor: pointer;
    background-color: transparent;
    position: absolute;
    top: 8px;
    right: 0px;
}
.edit{
    font-size: 24px;
    border: none;
    outline: none;
    color: green;
    cursor: pointer;
    background-color: transparent;
    position: absolute;
    top: 8px;
    right: 14vh;
}