.todo{margin-top:5%;margin-left:35%;width:400px;padding:20px;border-radius:10px;background:hsla(0,0%,96%,.709)}div.row button{margin-left:30%}@media(max-width:1600px){.todo{margin-left:30%}}@media(max-width:848px){.todo{margin-top:10%;margin-left:25%}}@media(max-width:630px){.todo{margin-left:20%}}@media(max-width:500px){.todo{margin-left:10%;width:300px}}@media(max-width:333px){.todo{margin-left:5%;width:auto}}h1{color:#000}