.btnSub:hover {
    background-color: #74cc55;
}

.btnSub.loading {
    background-color: #959595;
    color: #666;
}
.btnSub.disabled {
    background-color: #959595;
    color: #666;
}
.btnSub {
    width: 100%;
    height: 50px;
    line-height: 50px;
    color: #fff;
    text-align: center;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    box-shadow: none;
    border: none;
    cursor: pointer;
    outline: none;
    background-color: #49b749;
    border-radius: 5px;
    font-size: 20px;
    margin: 0 auto;
}