* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: sans-serif, Arial, Verdana, "Trebuchet MS", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    min-height: 100vh;
    background-image: url("../img/image.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: top;
    background-attachment: scroll;
}

ul {
    margin-bottom: 0;
    list-style: none;
}

.main-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
}

@media(max-height: 750px) {
    .main-container {
        min-height: 100vh;
    }
}

.form-container {
    margin: 0 auto;
    width: 430px;
    background-color: #fff;
    padding: 2rem 1.5rem;
    box-shadow: 0 .125rem .25rem rgba(0,0,0,.1);
}

.form-container h1 {
    text-align: center;
    font-size: 1.6rem;
    margin-bottom: 1.7rem;
}

.form-container img {
    height: 80px;
    margin: 0 auto;
    text-align: center;
}