I'm not sure what type of input field you have - it looks like a paragraph. If so, see an example below:
textarea#field_62 {
width: 505px !important;
height: 80px;
line-height: 1.2;
}
For a standard 'input' field, this may not work, as the height is determined by the line-height and padding. For example, when I wanted to change the height of cells in a table I used the following. You could probably apply this technique to an input field as well.
/*style the form group */
/*your view_ID here*/ > form > ul:nth-child(n) > li { border: solid 1px lightgrey ; border-radius: 5px; padding:10px; min-width: 50% }
/* Set yellow and red for every other form group (li) */
/your view_ID here/ > form > ul:nth-child(2n+1) > li { background-color: yellow }
/your view_ID here/ > form > ul:nth-child(2n) > li { background-color: red }