* {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont,
    "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans",
    "Droid Sans", "Helvetica Neue", sans-serif;
    color: #282828f0;
}

.main {
    padding: 1rem;
}
h1 {
    font-weight: 700;
}
a {
   color:#282828f0;
}


.back-index {
    display: flex;
    justify-content: flex-end;
    text-decoration: none;
    color: red;
    position: relative;
    margin-top: 1%;
}