*{
    margin: 0%;
   padding: 0%;
   font-family: "Helvetica Neue",
    
}

.container{
  width: 100%;
  min-height: 100vh;
  background: linear-gradient(130deg,#083959,#6abbb3);
  padding: 10px;
  
}

img{
    height: 70px;
}

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

}

.to-do-app h2{
    color: cadetblue;
    display: flex;
    align-items: center;
    margin-left: 10px;
    margin-bottom: 15px;
}

.row{
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #8c9499;
    border-radius: 30px;
    padding-left: 20px;
    margin-bottom: 25px;
   
}

input{
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 10px;
    color: rgb(29, 20, 188);
}




button{
    border: none;
    outline: none;
    padding: 16px 30px; 
    background: #6abbb3;
    font-size: 16px;
    border-radius: 25px;
    cursor: pointer;

}

ul li{
    list-style: none;
    font-size: 17px;
    padding: 15px 10px 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(nocheck.jpg) ;
    background-position: center;
    background-size: cover;
   top: 12px;
   left: 8px;
}

ul li.checked{
    color: #6abbb3;
    text-decoration: line-through;
}

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

ul li span{
        position: absolute;
        right: 0%;
        top: 5px;
        width: 40px;
        height: 40px;
        font-size: 22px;
        color: #555;
        line-height: 40px;
        text-align: center;
        border-radius: 50%;
}

ul li span:hover{
    background: #6abbb3;
}

@media screen  and (max-width:550px) {
    
    .container{

background:transparent;
}

*{
 background: #fff;
}

.to-do-app{
    width: 90%;
    max-width: 540px;
    background: #fff;
    margin: 100px auto 20px;
   padding: 40px 30px 70px;
   border-radius: 10px;

}

.to-do-app h2{
    color: cadetblue;
    display: flex;
    align-items: center;
    margin-left: 10px;
    margin-bottom: 15px;
    background: #fff;
}


}