style.css

/*

    All grid code is placed in a 'supports' rule (feature query) at the bottom of the CSS (Line 91). 
            
    The 'supports' rule will only run if your browser supports CSS grid.

    Flexbox is used as a fallback so that browsers which don't support grid will still recieve an identical layout.

*/

@import url(https://fonts.googleapis.com/css?family=Montserrat:500);

:root {
    /* Base font size */
    font-size: 10px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    background-color: #fafafa;
}

.container {
    max-width: 100rem;
    margin: 0 auto;
    padding: 0 2rem 2rem;
    position: relative;
    display: blcok;
}

.heading {
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 4rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    padding: 3.5rem 0;
    color: #1a1a1a;
}

.heading span {
    display: block;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    /* Compensate for excess margin on outer gallery flex items */
    margin: -1rem -1rem;
}

.gallery-item {
    cursor: pointer;
    /* Minimum width of 24rem and grow to fit available space */
    flex: 1 0 24rem;
    /* Margin value should be half of grid-gap value as margins on flex items don't collapse */
    margin: 1rem;
    box-shadow: 0.3rem 0.4rem 0.4rem rgba(0, 0, 0, 0.4);
    overflow: hidden;
    position: relative;
}

.gallery-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms ease-out;
    position: relative;
}

.gallery-image:hover {
    transform: scale(1.15);
}



/* SEARCH BAR CODE */
.search {
    width: 100%;
    position: relative;
    display: flex;
}
  
.searchTerm {
    width: 100%;
    border: 3px solid #00B4CC;
    border-right: none;
    padding: 5px;
    height: 36px;
    border-radius: 5px 0 0 5px;
    outline: none;
    color: #9DBFAF;
}

.searchTerm:focus{
    color: #00B4CC;
}

.searchButton {
    width: 40px;
    height: 36px;
    border: 1px solid #00B4CC;
    background: #00B4CC;
    text-align: center;
    color: #fff;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    font-size: 20px;
}

/*Resize the wrap to see the search bar change!*/
.wrap{
    min-width: 300px;
    width: 30%;
    position: relative;
    left: 50%;
    transform: translate(-50%, 0);
    margin-bottom: 5em;
}


/*

The following rule will only run if your browser supports CSS grid.

Remove or comment-out the code block below to see how the browser will fall-back to flexbox styling. 

*/

@supports (display: grid) {
    .gallery {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(24rem, 1fr));
        grid-gap: 2rem;
    }

    .gallery,
    .gallery-item {
        margin: 0;
    }
}

/* invisible text */

#code {
    display: none;
}