A button

button.css

.btn {
    text-transform: uppercase;
    line-height: 40px;
    margin: 5px;
    background-color: transparent;
    background-color: rgba(243, 156, 18, 0);
    border: 2px solid #C8C8C8;
    border-radius: 3px;
    cursor: pointer;
    -moz-transition-duration: 0.3s;
    -o-transition-duration: 0.3s;
    -webkit-transition-duration: 0.3s;
    transition-duration: 0.3s;
    display: block;
    font-family: futura-pt,sans-serif;
    text-align: center;
    font-size: 15px;
    font-weight: 400;
    color: #C8C8C8;
}

.btn:hover, .btn:focus {
    background-color: #C8C8C8;
    border-color: #C8C8C8;
    color: #FFF;
}