.btn {
    font-size: 18px;
    color: #fff;
    background-color: #78909c;
    border-radius: 3px;
    display: inline-block;
    width: 100%;
    border: none;
    padding: 16px 0;
    width: 350px;
    border: 0px;
    text-align: center;
}
.btn-back {
    background-color: #78909c;
}
.btn-submit  {
    background-color: #01579b;
}
.errormsg, .text-danger {
    color: #DE5D50;
}