body {
    background-color: #025670;    
}
.wrapper > div > div > div {
    flex: 0 0 100%;
    max-width: 100%;
}
.login_form {
    position: absolute;
    margin-top: 5%;    
    width: 350px;  
    left: 50%;
    top: 50%;
    transform: translate(-50%, -55%);
    background-color: rgb(255,255,255);
    padding: 2%;
    border-radius: 5px;
}
.login_form div div h3 {
    text-align: center;
}
.btn {
    width: 100%;
    background-color: #337ab7;
    color: #ffffff;
    margin-bottom: 10px;
}
.lead {
    margin: 8px 0;
    font-size: 1rem;
}
.lead strong {
    display: none;    
}