html {
    box-sizing: border-box;
}

body {
    font-family: sans-serif;
    background-color: black;
    color:white;
    margin: 0;
}

header {
    background-color: #273045;
    padding: .25rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav img {
    width: 3rem;
    border-radius: 50%;
    margin-left: 1.75rem;
}

nav a {
    color:white;
    font-size: 20px;
    text-decoration: none;
}

nav a:hover {
    color: #92A2F7;
}

nav ul {
    list-style-type: none;
    position: absolute;
    top: 0;
    right: 2rem;
}

nav li {
    display: inline;
    margin-right: 1.5rem;
}

main {
    margin: 1rem auto;
    width: 80%;
}

main section {
    margin-top: 6rem;
    padding: 2rem;
}

.home img {
    float: right;
    margin-left: 3rem;
    margin-right: 0;
    margin-top: 6rem;
    width: 60rem;
    position: relative;
}

.home h1 {
    font-size: 5em;
    position: absolute;
    margin-top: 10rem;
}

.home p {
    position: relative;
    font-size: 1.5em;
    margin-top: 17rem;
    margin-left: 7rem;
    margin-right: 8rem;
    padding-bottom: 30%;
}

.projects h2 {
    font-size: 4em;
    text-align: center;
    padding-top: 10%;
    padding-bottom: 2%;
}

.flex-container {
    display: flex;
    flex-direction: row;
    flex-flow: row wrap;
    justify-content: space-evenly;
    padding-bottom: 20rem;
    margin: 0;
    list-style: none;
}

.flex-item {
    width: 450px;
    height: 300px;
    margin: 20px 1px
}

.flip-card {
    background-color: transparent;
    width: 450px;
    height: 300px;
    perspective: 1000px; /* Remove this if you don't want the 3D effect */
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.7s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden; /* Safari */
    backface-visibility: hidden;
}

  .flip-card-front {
    background-color: #bbb;
    border: 1px solid #f1f1f1;
    color: black;
}

.flip-card-back {
    background-color: #273045;
    color: white;
    transform: rotateY(180deg);
}

.flip-card-back h1 {
    margin-left: 2rem;
    margin-right: 2rem;
    margin-top: .5rem;
}

.flip-card-back p {
      margin-left: 2rem;
      margin-right: 2rem;
}
.flip-card-back button {
    background-color: #273045;
    border: 2px solid #92A2F7;
    border-radius: 25px;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 18px;
    outline: none;
}

.flip-card-back button:hover {
    background-color: #92A2F7;
}
.flip-card-back h1{
      padding-top: 10%;
}
  
.about h3 {
    font-size: 4em;
    text-align: center;
    padding-top: 10%;
    padding-bottom: 2%;
}

.about p {
    float:right;
    padding: 5rem 7% 30rem 40rem;
    font-size: 150%;
}

.about img {
    float: left;
    margin: 100px 20px 15px 200px;
    width: 20rem;
    position: relative;
    border: 1px solid white;
    border-radius: 50%;
    position: absolute;
}

section.contact {
    text-align: center;
}

.contact h4 {
    font-size: 4rem;
}

.contact p {
    color: #92A2F7;
    padding-bottom: 2rem;
    margin-bottom: 5%;
}

.contact input {
    width: 40rem;
    display: inline-block;
    padding: 8px 20px;
    margin-top: 4px;
    box-sizing: border-box;
    border: 1px solid #707070;
    border-radius: 1px;
    background-color: #151515;
    color: #AFAFAF;
}

.contact input[name="message"] {
    padding: 8px 20px 300px 20px;
    margin-top: 8px;
}

.contact input[type=submit] {
    background-color: #151515;
    border: 2px solid white;
    outline: none;
    color: white;
    padding: 16px 32px;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    width: 10rem;
    margin-left: 30rem;
    margin-top: 1.5rem;
    margin-bottom: 7.5%;
}

.contact input[type=submit]:hover {
    color: #92A2F7;
    border: 2px solid #92A2F7;
}

.contact input:focus::placeholder {
    color: transparent;
}

footer { 
    text-align: center;
    background-color: #92A2F7;
    padding: 1rem;
    position: relative;
    width: 100%;
    left: 0;
    bottom: 0;
    font-size: small;
    color: #343434;
}

footer img {
    margin: .5rem 1rem 2rem 1rem;
}

#linkedin-icon {
    width: 2.5rem;
}

#github-icon {
    width: 2.5rem;
}

#phone-icon {
    width: 2.5rem;
}

#email-icon {
    width: 3rem;
    margin-bottom: 1.75rem;
    margin-left: .5rem;
}