* {
    padding: 0;
    margin: 0;
    border: 0;
    box-sizing: border-box;
    text-decoration: none;
    font-family: Segoe UI, Roboto, Ubuntu, sans-serif;
}

body {
    background-color: var(--background-body);
    font-family: Segoe UI, Roboto, Ubuntu, sans-serif;
}

/* style for red button */
.red-btn {
    background-color: var(--btn-color);
    color: var(--text-color);
    cursor: pointer;
    border-radius: 0.25rem;
}

.red-btn:hover {
    background-color: var(--btn-hover-color);
    transition: background-color;
    transition-duration: 0.15s;
    transition-timing-function: ease-out;
}

/* heading texts styles */
h1 {
    line-height: 150%;
    color: var(--text-color);
}

h2 {
    display: block;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-color);
}

h3 {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 2rem;
    margin-top: 1rem;
}

h5 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary-color);
    line-height: 1.5rem;
}

/* select menu */
select option {
    color: black;
}