<form class="form-wrapper-01" action="/search/" method="get">
<input id="search" placeholder="Поиск по сайту" name="q" autocomplete="off" minlength="3" maxlength="200" required>
<input type="submit" value="Искать" id="submit">
</form>

.form-wrapper-01 {
      width: 450px;
      padding: 10px;
      margin: 100px auto;
      overflow: hidden;
      border-width: 1px;
      border-style: solid;
      border-color: #dedede #bababa #aaa #bababa;
      -moz-border-radius: 10px;
      -webkit-border-radius: 10px;
      border-radius: 10px;      
      background-color: #f6f6f6;
      background-image: -webkit-gradient(linear, left top, left bottom, from(#f6f6f6), to(#eae8e8));      
      background-image: -webkit-linear-gradient(top, #f6f6f6, #eae8e8);
      background-image: -moz-linear-gradient(top, #f6f6f6, #eae8e8);
      background-image: -ms-linear-gradient(top, #f6f6f6, #eae8e8);
      background-image: -o-linear-gradient(top, #f6f6f6, #eae8e8);
      background-image: linear-gradient(top, #f6f6f6, #eae8e8);
      }
           
      .form-wrapper-01 #search {
      width: 330px;
      height: 20px;
      padding: 10px 5px;
      float: left;      
      font: bold 16px 'lucida sans', 'trebuchet MS', 'Tahoma';
      border: 1px solid #ccc;
      -moz-box-shadow: 0 1px 1px #ddd inset, 0 1px 0 #fff;
      -webkit-box-shadow: 0 1px 1px #ddd inset, 0 1px 0 #fff;
      box-shadow: 0 1px 1px #ddd inset, 0 1px 0 #fff;
      -moz-border-radius: 3px;
      -webkit-border-radius: 3px;
      border-radius: 3px;      
      }
           
      .form-wrapper-01 #search:focus {
      outline: 0;
      border-color: #aaa;
      -moz-box-shadow: 0 1px 1px #bbb inset;
      -webkit-box-shadow: 0 1px 1px #bbb inset;
      box-shadow: 0 1px 1px #bbb inset;
      }
           
      .form-wrapper-01 #search::-webkit-input-placeholder {
      color: #999;
      font-weight: normal;
      font-size:12px;
      font-style:italic;
      }
           
      .form-wrapper-01 #search:-moz-placeholder {
      color: #999;
      font-weight: normal;
      font-size:12px;
      font-style:italic;
      }
           
      .form-wrapper-01 #search:-ms-input-placeholder {
      color: #999;
      font-weight: normal;
      font-size:12px;
      font-style:italic;
      }      
           
      .form-wrapper-01 #submit {
      float: right;      
      border: 1px solid #00748f;
      height: 42px;
      width: 100px;
      padding: 0;
      cursor: pointer;
      font: bold 15px Arial, Helvetica;
      color: #fafafa;
      text-transform: none;      
      background-color: #0483a0;
      background-image: -webkit-gradient(linear, left top, left bottom, from(#31b2c3), to(#0483a0));
      background-image: -webkit-linear-gradient(top, #31b2c3, #0483a0);
      background-image: -moz-linear-gradient(top, #31b2c3, #0483a0);
      background-image: -ms-linear-gradient(top, #31b2c3, #0483a0);
      background-image: -o-linear-gradient(top, #31b2c3, #0483a0);
      background-image: linear-gradient(top, #31b2c3, #0483a0);
      -moz-border-radius: 3px;
      -webkit-border-radius: 3px;
      border-radius: 3px;      
      text-shadow: 0 1px 0 rgba(0, 0 ,0, .3);
      -moz-box-shadow: 0 1px 0 rgba(255, 255, 255, 0.3) inset, 0 1px 0 #fff;
      -webkit-box-shadow: 0 1px 0 rgba(255, 255, 255, 0.3) inset, 0 1px 0 #fff;
      box-shadow: 0 1px 0 rgba(255, 255, 255, 0.3) inset, 0 1px 0 #fff;
      }
           
      .form-wrapper-01 #submit:hover,
      .form-wrapper-01 #submit:focus {      
      background-color: #31b2c3;
      background-image: -webkit-gradient(linear, left top, left bottom, from(#0483a0), to(#31b2c3));
      background-image: -webkit-linear-gradient(top, #0483a0, #31b2c3);
      background-image: -moz-linear-gradient(top, #0483a0, #31b2c3);
      background-image: -ms-linear-gradient(top, #0483a0, #31b2c3);
      background-image: -o-linear-gradient(top, #0483a0, #31b2c3);
      background-image: linear-gradient(top, #0483a0, #31b2c3);
      }      
           
      .form-wrapper-01 #submit:active {
      outline: 0;      
      -moz-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5) inset;
      -webkit-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5) inset;
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5) inset;      
      }
           
      .form-wrapper-01 #submit::-moz-focus-inner {
      border: 0;
      }