main.css

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

body {
    height: 100vh;
    width: 100vw;
    background: rgb(1,49,87);
    background: radial-gradient(circle, rgba(1,49,87,1) 7%, rgba(1,65,87,1) 13%, rgba(63,1,87,1) 64%, rgba(35,1,87,1) 92%);
    font-family: 'Courier New', Courier, monospace;
    color: white;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    /* align-items: center; */
}

header {
    background-color: black;
    /* color: white; */
    text-align: center;
}

#input-container {
    margin-top: 1rem;
    /* margin-left: 1rem; */
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

main h3 {
    margin-bottom: 1rem;
}

main input {
    margin-bottom: 1rem;
    width: 50%;
}

main h4 {
    margin-bottom: 1rem;
}

#please-center {
    display: flex;
    justify-content: center;
}

main button {
    width: 4rem;
    background-color: darkblue;
    color: white;
}

#remove-btn {
    background-color: black;
    color: white;
    margin-left: 1rem;
}

#display-container {
    margin-top: 2em;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cards {
    display: flex;
    flex-direction: row;
    margin-bottom: 1rem;
}

footer {
    width: 100%;
    background-color: black;
    position: fixed;
    bottom: 0;
    display: flex;
    justify-content: center;
}