*
{
    margin: 0%;
    padding: 0%;
    font-family: 'poppins' , sans-serif;
    box-sizing: border-box;
}

.container
{
    width: 100%;
    height: 100vh;
    background: linear-gradient(#153677 , #4E085F);
    padding: 10px;
}

.to-do-app
{
    width: 100%;
    max-width: 540px;
    background: white;
    margin: 100px auto 20px;
    padding: 40px 30px 70px;
    border-radius: 10px;
}

.to-do-app h1
{
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.row
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #EDEEF0;
    border-radius: 30px;
    padding-left: 20px;
    margin-bottom: 25px;
}

input
{
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 10px;
    font-weight: 14px;
}

button
{
    border: none;
    outline: none;
    padding: 16px 50px;
    background: #FF5945;
    color: white;
    font-size: 16px;
    cursor: pointer;
    border-radius: 40px;
}

ul li
{
    list-style: none;
    font-size: 16px;
    padding: 12px 8px 12px 50px;
    user-select: none;
    cursor: pointer;
    position: relative;
}

ul li::before
{
    content: '';
    position: absolute;
    height: 28px;
    width: 28px;
    border-radius: 50%;
    background-image: url(images/uncheck.png);
    background-size: cover;
    background-position: center;
    top: 12px;
    left: 8px;
}

ul li.checked
{
    text-decoration: line-through;
}

ul li.checked::before
{
    background-image: url(images/check.png);
}

ul li span
{
    position: absolute;
    right: 0%;
    top: 5px;
    width: 40px;
    height: 40px;
    font-size: 22px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
}

ul li span:hover
{
    background: #EDEEF0;;
}

.footer 
{ 
    text-align: center;
    margin-top: 20px; 
} 

span 
{ 
    text-decoration: underline; 
}