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

:root {
    font-family: "arial";
    --section: #b5b5b5;
    --backdrop: #a0a0a0;
    --button: #909090;
    --outline: #505050;
}

body {
    background-color: var(--backdrop);
    margin: 0;
}

main {
    margin: 0;
}

h1 {
    text-align: center;
    font-size: 4rem;
    cursor: default;
}

h2 {
    padding-top: 20px;
    padding-left: 20px;
}

header {
    height: calc(5rem + 4px);
    background-color: var(--section);
    border-bottom-style: solid;
    border-width: 4px;
    border-color: var(--outline);
}

section {
    display: flex;
    justify-content: left;
}

ul {
    list-style: none;
    padding-top: 20px;
    padding-left: 20px;
    width: 200px;
}

li {
    background-color: var(--button);
    margin-bottom: 20px;
    padding: 10px;
    border-radius: 10px;
    border-width: 4px;
    border-style: solid;
    border-color: var(--outline);
    cursor: pointer;
}

#breeds {
    font-size: 1.5rem;
}

#images {
    padding: 1rem;
    text-align: center;
    height: fit-content;
}

#images img {
    border-radius: 10px;
    height: 200px;
    margin: 0.25rem;
    border-width: 4px;
    border-style: solid;
    border-color: var(--outline);
}