.overlay {
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    /*padding: 40px;*/
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.75);
    opacity: 0;
    pointer-events: none;
    transition: 0.35s ease-in-out;
    max-height: 100vh;
    overflow-y: auto;
}

.overlay.open {
    opacity: 1;
    pointer-events: inherit;
}

.overlay .modal {
    display: none;
    background: white;
    text-align: center;
    box-shadow: 0px 1px 10px rgba(255, 255, 255, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: 0.35s ease-in-out;
    max-height: 100vh;
    overflow-y: auto;
}

.overlay .modal.open {
    display: block;
    opacity: 1;
    pointer-events: inherit;
}

.overlay .modal.open .content {
    transform: translate(0, 0px);
    opacity: 1;
}

.overlay .modal .content {
    transform: translate(0, -10px);
    opacity: 0;
    transition: 0.35s ease-in-out;
}

.overlay .modal .title {
    margin-top: 0;
}

/*style.css*/
.overlay .modal form {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #F8F8F8;
    padding: 40px;
    -webkit-box-shadow: 0px 0px 24px -4px rgba(0, 0, 0, 0.75);
    -moz-box-shadow: 0px 0px 24px -4px rgba(0, 0, 0, 0.75);
    box-shadow: 0px 0px 24px -4px rgba(0, 0, 0, 0.75);
}

.overlay .modal form h1 {
    margin-bottom: 10px;
}

.overlay .modal form p {
    display: block;
    margin-bottom: 10px;
    width: 100%;
    text-align: left;
}

.overlay .modal form input {
    margin: 5px 0;
    padding: 5px;
    width: 100%;
}

.overlay .modal form input[type="text"], .overlay .modal form input[type="password"] {
    -webkit-box-shadow: inset 0px 0px 5px 0px rgba(0, 0, 0, 0.77);
    -moz-box-shadow: inset 0px 0px 5px 0px rgba(0, 0, 0, 0.77);
    box-shadow: inset 0px 0px 5px 0px rgba(0, 0, 0, 0.77);
    border: none;
    outline: none;
    padding: 10px;
    box-sizing: border-box;
}

form#register a {
    color: blue !important;
}

input[type="checkbox"].fail {
    box-shadow: inset 0px 0px 5px 0px red;
}

.alert.alert-danger {
    display: block;
    color: red;
}

/*end*/