how to change input text box style to line?

Question

in my form I have three input fields name, email, mobile but I want to change input text box like -

name :  _____________  
email:  _____________  
mob  :  ___         


        

Answer 1

border: 1px solid black;
float: left;
margin: 0;
padding: 0;
border-top: 0px;
border-left: 0px;
border-right: 0px;