.btn {
    background-color: #97a0ab;
    background-image: none;
    color: #ffffff;
    text-shadow: none;
    box-shadow: none;
    border: none;
    border-radius: 3px;
    transition: background-color .3s ease;
    font-size: 16px;
}
.btn:hover {
    color: #ffffff;
    background-color: #848b97;
}
.btn[disabled], .btn[disabled]:hover {
    background-color: #b3becb;
}

.btn.btn-red {
    background-color: #E30611;
}
.btn:hover.btn-red {
    background-color: #ba0611;
    color: white !important;
}
.btn[disabled].btn-red, .btn[disabled]:hover.btn-red {
    background-color: #ff696e;
}