input[type=text], select, textarea, [type=email] {
    width: 100%; /* Full width */
    padding: 12px; /* Some padding */  
    border: 1px solid #ccc; /* Gray border */
    border-radius: 4px; /* Rounded borders */
    box-sizing: border-box; /* Make sure that padding and width stays in place */
    margin-top: 6px; /* Add a top margin */
    margin-bottom: 16px; /* Bottom margin */
    resize: vertical /* Allow the user to vertically resize the textarea (not horizontally) */
}

/* Style the submit button with a specific background color etc */
input[type=submit] {
    background-color: #4CAF50;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* When moving the mouse over the submit button, add a darker green color */
input[type=submit]:hover {
    background-color: #45a049;
}

/* Add a background color and some padding around the form */
.container {
    border-radius: 5px;
    background-color: #f2f2f2;
    padding: 20px;
}

body{
  font-size:12px;
  font-family:Verdana, Geneva, sans-serif;
}
#contato_form{
  width:500px;
  min-height:175px;
  color:#999;
  margin:auto;
}
.asteristico{
  color:#F00;
}


.myButton{
    background:url(../img/Desktop.ico) no-repeat;
    cursor:pointer;
    border:none;
    width:100px;
    height:100px;
}

myButton:active {
     background:url(../img/Desktop.ico) no-repeat;
}

.btn-call-to-action {
    padding: 15px 40px;
    margin: 20px 15px 0;
    line-height: 1.15em;
    border: transparent;
    border-radius: 4px;
    color: #fff;
    white-space: normal !important;
}
.btn-default {
    font-size: 1.5em;
    background-color: #4CAF50;
    margin-top: 60px;
}
.btn {
    display: inline-block;
    margin-bottom: 0;
    font-weight: normal;
    text-align: center;
    vertical-align: middle;
    touch-action: manipulation;
    cursor: pointer;
    background-image: none;
    border: 1px solid transparent;
    white-space: nowrap;
    padding: 6px 12px;
    font-size: 16px;
    line-height: 1.625em;
    border-radius: 4px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
a {
    color: #038ff4;
    text-decoration: none;
}
a {
    background-color: transparent;
}
* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
user agent stylesheet
a:-webkit-any-link {
    color: -webkit-link;
    cursor: auto;
    text-decoration: underline;
}