index.css

@import url("https://fonts.googleapis.com/css?family=Rubik&display=swap");

body {
    font-family: rubik;
    background-color: #292e33;
}

.hexo-bg-light {
    background-color: #3a4147;
}

.hexo-bg-dark {
    background-color: #262a2e;
}

.hexo-text {
    color:rgba(255, 255, 255, 0.986);
}

.container-fluid {
    padding: 0;
}

.img-fill {
    height: 100%;
    width: 100%;
    object-fit: cover;
}

[class*="col-"] {
    margin-left: 0.5rem;
    margin-right: 0.5rem;
    margin-top: 1rem;
}

.navbar-brand {
    padding-left: 8px;
    color:rgba(255, 255, 255, 0.986);
}

h1,h2,h3,h4,h5,h6 {
    font-weight: bold;
}

.navbar {
    padding: 0;
}

.visualize {
    background-color: grey;
}

.banner {
    width: 100%;
    height: 16rem;
    overflow: hidden;
    image-rendering: pixelated;
}

.banner img {
    width: 100%;
    margin-top: -35%;
    filter: blur(0.25rem);
    display: block;
}

.space-lg {
    margin-top: 30rem;
}

.space-sm {
    margin-top: 2rem;
}

.form-logo {
    width: 25%;
}

.card {
    box-shadow: 2px 2px 5px rgba(0,0,0,0.5);
}

.form-group {
    max-width: 20rem;
    margin: auto;
}

.form-btn {
    width: 50%;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.jumbotron {
    background: none;
    text-align: center;
}