Caldera Form with only bottom borders, big font, on-click border color change

/*** FORM STYLING ***/
.caldera-grid .form-control {
    font-size: 22px;
    padding: 16px;
    height: auto;
    box-shadow: none !important;
    border-radius: 0!important;
    border-top: none !important;
    border-left: none !important;
    border-right: none !important;
    border-bottom: 2px solid #333 !important;
}
/*** BUTTON STYLING ***/
.caldera-grid input[type=submit] {
    text-transform: uppercase;
    padding: 10px 16px;
    border-radius: 0;
    background: #dd0000;
    color: #000;
    font-size: 20px;
    border: none;
    float: right;
    transition: all 0.3s ease-in-out;
}
/*** BUTTON STYLING ***/
.caldera-grid input[type=submit]:hover {
    background: #000;
    color: #f5f5f5;
}
/*** ON CLICK ***/
.caldera-grid .form-control:focus {
    border-color: #e0e0e0 !important;
    box-shadow: none !important;
}