body {
    margin: 0;
    box-sizing: border-box;
}

.login-input {
    display: flex;
    flex-direction: column;
    width: 40%;
    align-items: center;
}

.login-input input {
    width: 40%;
    margin-bottom: 10px;
}

.login-input button {
    width: 20%;
}

header {
    text-align: center;
}

main {
    display: flex;
    justify-content: center;
    width: 100%;
}

h1 {
    color: black;
}