* {
    padding: 0;
    margin: 0;
}

#mainDiv {
    display: flex;
    flex-direction: column;
}

.inputLine {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin-inline: 20px;
}

input {
    width: 40%;
}

button {
    width: 10%;
    margin-left: 20px;
}

#errorField {
    display: none;
    margin-top: 20px;
    background-color: rgb(255, 97, 97);
    width: calc(100% - 20px);
    margin-left: 10px;
}

ul {
    margin-left: 20px;
}