body {
 margin: 40px auto 0 auto;
 text-align: center;
 font-family: Verdana;
 font-size: 18px;
}

input, textarea {
 width: 100%;
 padding: 7px 10px 7px 10px;
}

table {
 display: inline-block;
 margin: 20px 0 0 0;
}

table td {
 text-align: left;
 font-size: 16px;
 padding: 7px 0 0px 0;
}

input[type="submit"] {
 width: 108%;
 background: #8BC34A;
 color: #fff;
 font-size: 20px;
 border: none;
 cursor: pointer;
 padding: 10px 10px 10px 10px;
}

h4 {
 color: #4CAF50;
}