* {
    list-style: none;
    font-family: 'Poppins', sans-serif;
}

html {
  scroll-behavior: smooth;
}

.centered {
    margin: 0 auto;
    text-align: center;
}

/* Nav Bar */

.nav {
    border-bottom: 1px solid white;
}

.content {
    color: white;
}

.subheader {
    color: white;
    margin-top: 2rem;
    text-align: center;
}

/* Landing */

.landing-wrapper {
    position: relative;
    height: 100vh;
    min-height: 500px;
    max-height: 1200px;
    background-color: #022938;
    background-image: url(images/bg.jpg);
    color: white;
}

.landing {
    margin: 0 5rem;
    position: absolute;
    top: 40%;
    transform: translate(-50%, -50%);
    left: 30%;
    padding: 2rem;
    border-radius: 5px;
    background-color: rgba(0, 0, 0, 0.2);
}

.vincent {
    font-size: 50px;
}

.theclass {
}

.slide-down {
    margin-top: 2.5rem;
    animation: MoveUpDown 2.5s linear infinite;
}

@keyframes MoveUpDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.slide-down a {
    border: 1px solid white;
    padding: 1rem 2rem;
    text-decoration: none;
    background-color: white;
    color: black;
}

/* Icon Grid */

.grid {
    width: 100%;
    margin: 0 auto;
}

.row {
    display: flex;
    flex-wrap: wrap;
    padding: 0 .5rem;
    margin-top: 2rem;
}

.column {
    flex: 25%;
    max-width: 25%;
    padding: 0 .5rem;
}

.column img {
    margin-top: 8px;
    vertical-align: middle;
    width: 70%;
}

.column p {
    margin-top: 5px;
    margin-bottom: 30px;
}

.column a {
    color: white;
}

/* set default images to blk / white, on hover changes color */

.column a img {
    filter: gray;
    -webkit-filter: grayscale(1);
    -webkit-transition: .2s ease-in-out;  
}

.column a img:hover {
    filter: none;
    -webkit-filter: grayscale(0);
    -webkit-transform: scale(1.02);
}

/* mobile responsiveness, shrink / enlargen images and restrict amount of images per column */

@media screen and (max-width: 800px) {
    .column {
        flex: 50%;
        max-width: 50%;
    }
}

@media screen and (max-width: 600px) {
    .column {
        flex: 100%;
        max-width: 100%;
    }
}

/* CASE STUDIES */
.cscenter {
    margin: 0 auto;
    width: 60%;
    margin-top: 2rem;
}

.cscenter p {
    text-align: left;
    margin: 0 auto;
}

.header {
    color: grey;
}

.paragraph {
    padding-bottom: 1rem;
}

/*Footer*/
footer {
    text-align: center;
    margin-top: 5rem;
    margin-bottom: 8rem;
    color: white;
}

/* NAV STYLES */

#navigation {
    position: fixed;
    margin-top: 2rem;
    text-align: center;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #01141c;
}

#navigation a img {
    width: 48px;
    background-color: white;
    margin: .5rem;
    padding: 12px;
}

#navigation a img:hover {
    background-color: azure;
}

#navigation a {
    text-decoration: none;
    background-color: black;
}