body{
    background-color: rgb(23, 21, 31) !important;
}
.container{
    height: 100vh;
    align-content: center;
}
.card-header{
    background-color: rgba(58,91,154,.2) !important;
}
.card-header > img {
    width: 120px;
}
.card{
    margin-top: auto;
    margin-bottom: auto;
}
.login-form-field{
    background-color: rgb(58,91,154) !important;
}
.alert{
    background-color: rgba(58,91,154,.5) !important;
}