/* spinner button */
.loader-container {
    display: block;
    margin-left: auto;
    margin-right: auto;
}
.loader {
    border: 3px solid #f3f3f3;
    border-radius: 50%;
    border-top: 3px solid #3498db;
    width: 20px;
    height: 20px;
    -webkit-animation: spin 0.5s linear infinite; /* Safari */
    animation: spin 0.5s linear infinite;
}

/* Safari */
@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.btn-sign-in {
    flex-direction: row;
}

#multi-login-button {
    margin-top: 125px;
}

.login-btn {
    margin-top: 10px;
    margin-bottom: 10px;
}

#form-login {
    margin-top: 50px;
}

.logo-login {
    justify-content: center;
    text-align: center;
    max-height: 150px;
}

#logo-login-img {
    max-width: 250px;
}