.form_landing input {
    height: 30px;
    width: 100%;
    margin: 5px;
    padding: 3px;
    font-size: 14px;
}

.form_landing textarea {
    width: 100%;
    margin: 5px;
    padding: 3px;
    font-size: 14px;
}

.form_landing input[type="submit" i] {
    height: 30px;
    border-color: #00afa9;
    background: #00afa9;
    color: #fff;
}

.sub-menu {
  display: none; 
position: absolute;
background-color: #4c748b;
color: #fff;
padding-left: 20px;
margin-top: 12px;
z-index: 1;
  -webkit-transition: all 0.5s ease-out;

}

.menu:hover .sub-menu {
  display: block;
}