.logo img{
    width: 100%;
}
.form-group label.error{
    font-size: 11px;
    color: #f30000;
}
.red-button{
    background-image: linear-gradient(to right top, #770000, #7e0001, #850001, #8c0001, #930001, #990005, #9e0008, #a4000c, #a90014, #ae001b, #b30021, #b80028);
    color: #fff;
    border:none;
}
.grey-button{
    background-image: linear-gradient(to right top, #313131, #343434, #373637, #3a393a, #3e3b3c, #403d3e, #433f40, #454142, #464445, #484748, #4a494a, #4c4c4c);
    color: #fff;
    border:none;
}
.blue-button{
    background-image: linear-gradient(to right, #192e9e, #1d319c, #21359b, #253899, #293b97, #2d3e96, #304196, #344495, #384895, #3d4b96, #414f96);
    color: #fff;
    border:none;
}
.green-button{
    background-image: linear-gradient(to right, #1c310e, #1b3513, #193919, #173d1e, #144124, #114626, #0d4b27, #065029, #025725, #035f1f, #086617, #136d08);
    color: #fff;
    border:none;
}