How to style submit button? [duplicate]

Answer 1

try this 
    .button {
      -moz-border-radius: 25px;
      -moz-box-shadow: #6E7849 0px 0px 10px;
      -moz-transition: all 0.5s ease;
      -ms-transition: all 0.5s ease;
      -o-transition: all 0.5s ease;
      -webkit-border-radius: 25px;
      -webkit-box-shadow: #6E7849 0 0 10px;
      -webkit-transition: all 0.5s ease;
      background-color: #6E7849;
      background-image: -moz-linear-gradient(90deg, #B9C788, #6E7849);
      background-image: -ms-linear-gradient(90deg, #B9C788, #6E7849);
      background-image: -o-linear-gradient(90deg, #B9C788, #6E7849);
      background-image: -webkit-linear-gradient(90deg, #B9C788, #6E7849);
      background-image: linear-gradient(90deg, #B9C788, #6E7849);
      border-radius: 25px;
      border: 2px solid #4a5032;
      box-shadow: #6E7849 0px 0px 10px;
      color: #ffffff;
      display: inline-block;
      font-size: 4em;
      margin: auto;
      padding: 15px;
      text-decoration: none;
      text-shadow: #000000 5px 5px 15px;
      transition: all 0.5s ease;
    }

    .button:hover {
      padding: 15px;
    }

OR 
try your choice color combination button
http://www.cssdrive.com/css3button/