@media only screen and (min-width: 200px) and (max-width: 900px) {
    body{
    background-image: url(../Images/backgroundmobile.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    height: 100vh;
    }
    h1{
    margin-bottom: 20px;
    color: #333;
    position: fixed;
    top: 18%;
    left: 20%;
    }
    form{
    max-width: 400px;
    border-radius: 10px;
    padding: 0px;
    margin: auto;
    text-align: center;
    }
    .taskList{
    top: 25%;
    left: 10%;
    height: 60vh;
    }  
}