style.css

.row {
    margin-top: 70px;
}
#addInput {
    width: 76%;
}

.editInput {
  width: 50% !important;
	margin-right: 7%;
}

label {
	width: 60%;
	margin: 8px 0;
}

label.completed {
		text-decoration: line-through;
}

#addButton {
    width: 6%;
    background-color: inherit;
    color: #000;
    border: none;
    margin: 0 0 0 10%;
    padding: 0;
}

.editButton {
    width: 7%;
    background-color: inherit;
    color: #000;
    border: none;
    margin: 0;
    padding: 0;
}

.deleteButton {
    width: 9%;
    background-color: inherit;
    color: #000;
    border: none;
    margin: 0 0 0 18%;
    padding: 0;
}

h6 {
    border-bottom: 2px solid #000;
    padding-bottom: 7px;
    margin: 42px 0px 21px;
    font-weight: bold;
}

@media (max-width: 425px) {
	label {
		display: block;
		margin: 16px 0;
	}
}