body {
    position: relative;
    width: 100vw;
    height: 100vh;
    margin: 0;
    padding: 0;
}

header {
    position: relative;
    width: 100%;
    height: 25%;
    display: flex;
    justify-content: center;
    align-items: center;
}

main {
    position: relative;
    width: 100%;
    height: 70%;
    display: flex;
    justify-content: center;
    align-items: center;
}

footer {
    position: relative;
    width: 100%;
    height: 5%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.9em;
}

form {
    position: relative;
    width: 40%;
    height: 80%;
}

form > div {
    position: relative;
    width: 100%;
    height: 3em;
    margin-bottom: 2em;
    font-size: 1.1em;
    display: flex;
    justify-content: center;
    align-items: center;
}

form > div:nth-child(3) {
    margin-top: 6em;
}

form > div > label {
    position: relative;
    width: 25%;
    height: 100%;
    padding-right: 1em;
    display: flex;
    justify-content: right;
    align-items: center;
}

form > div > input {
    position: relative;
    width: 60%;
    height: 80%;
    outline: none;
    border: 1px solid rgb(0, 0, 0);
    border-radius: 10px;
    padding-left: 0.5em;
    font-size: 1.1em;
}

form > div > input::placeholder {
    font-size: 0.7em;
}

form > div > button {
    position: relative;
    width: 50%;
    height: 70%;
    outline: none;
    border: none;
    border-radius: 50px;
    background-image: linear-gradient(to bottom, rgb(250, 250, 250), rgb(220, 220, 220));
    box-shadow: 1px 1px 3px rgba(100, 100, 100, 0.6);
    letter-spacing: 0.5em;
    padding-left: 0.5em;
    cursor: pointer;
}

form > div > button:active {
    position: relative;
    top: 2px;
}

div#error {
    position: absolute;
    left: 50%;
    bottom: 0.5em;
    transform: translateX(-50%);
    color: rgb(255, 0, 0);
}