* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --black: #232323;
    --gray: #c9c9c9;
    --white: #ffffff;
    --border-color: #dfe1e5;
    --input-bg: #ffffff;
    --input-focus-shadow: rgba(32, 33, 36, 0.28);
    --button-bg: #f8f9fa;
    --button-hover-bg: #f1f3f4;
    --button-text-color: #5f6368;
}
html, body {
    height: 100%;
}
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
main {
    flex: 1;
}
header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    -webkit-box-shadow: 0px 8px 12px 0px rgba(201, 201, 201, 0.2);
    -moz-box-shadow: 0px 8px 12px 0px rgba(201, 201, 201, 0.2);
    box-shadow: 0px 8px 12px 0px rgba(201, 201, 201, 0.2);
}

.logo h1 {
    font: bold 1.5rem/1.5 Helvetica, Arial, sans-serif;
}

.search-bar {
    display: flex;
    justify-content: center;
    align-items: center;
}

.search-bar input[type="search"] {
    width: 400px;
    height: 40px;
    padding: 0 15px;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    background-color: var(--input-bg);
    font-size: 16px;
    box-shadow: none;
    outline: none;
    transition: box-shadow 0.3s ease;
}

.search-bar input[type="search"]:focus {
    box-shadow: 0 1px 6px var(--input-focus-shadow);
    border-color: rgba(223, 225, 229, 0);
}

.search-bar button {
    height: 42px;
    margin-left: 10px;
    padding: 0 16px;
    border: 1px solid var(--border-color);
    background-color: var(--button-bg);
    border-radius: 24px;
    font-size: 14px;
    color: var(--button-text-color);
    cursor: pointer;
    transition: background-color 0.2s ease, box-shadow 0.3s ease;
}

.search-bar button:hover {
    background-color: var(--button-hover-bg);
    box-shadow: 0 1px 6px var(--input-focus-shadow);
}

.search-bar button:focus {
    outline: none;
}

#imagesContainer {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 10px;
    padding: 40px;
}

img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}
footer {
    width: 100%;
    padding: 1rem 30rem;
    background-color: var(--white);
    filter: opacity(65%);
    margin-top: auto; /* This pushes the footer to the bottom */
}
.container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}
.container div {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
}
#github-logo {
    width: 43px;
    height: 43px;
}
#rsschool-logo {
    width: 86px;
}