* {
    padding: 0;
    margin: 0;
}

body {
    animation: delete-bg-color 4s;
    animation-fill-mode: forwards;
    animation-timing-function: ease-in-out;
}

@keyframes delete-bg-color {
    from {
        background-color: yellow;
        opacity: 0.3;
    }
    to {
        background-color: yellow;
        opacity: 1;
    }
}

.container {
    background: url(background.png) no-repeat;
    background-size: 100%;
    width: 100%;
    height: 700px;
    position: fixed;
}

.login-form input {
    display: block;
    margin: auto;
    margin-top: 15px;
    width: 300px;
    height: 25px;
}

.form-container p {
    text-align: right;
    padding-right: 50px;
}

.form-container h2 {
    margin-top: 150px;
    margin-bottom: 50px;
}

.form-container {
    width: 400px;
    height: 700px;
    margin-left: 100%;
    background-color: #fff;
    animation: slidein 3s;
    animation-delay: 3s;
    animation-fill-mode: forwards;
    overflow: hidden;
    text-align: center;
}

@keyframes slidein {
    from {
        margin-left: 100%;
        opacity: 0;
    }
    to {
        margin-left: 69%;
        opacity: 1;
    }
}