html, body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    justify-content: center; 
    align-items: center;
   
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.uf-form-signin {
    width: 100%;
    max-width: 350px;
    padding: 15px;
    margin: 0 auto;
}

.input-group .input-group-text {
    background: #f6f6f7;
    color: #757779;
    border: unset;
    width: 40px;
}
.input-group .form-control::placeholder {
    color: #757779;
    opacity: 1;
}
.input-group .form-control {
    border: unset;
    font-size: 16px;
    background: #f6f6f7;
    color: #2a2a2a!important;
}

.input-group .form-control:focus {
    box-shadow: unset;
    background: #f6f6f7!important;
}
.header {
position: absolute;
right: 15px;
left: 15px;
top:0;
}
.was-validated .form-control:invalid {
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
}
.was-validated .form-control:valid {
    border-color: #28a745;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
}
.toggle-password {
    border-left: 0;
}
.toggle-password:hover {
    background-color: #f8f9fa;
}