Research Realm:Main Page/Sandbox/styles.css

/* styles.css */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
}

.flex-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.flex-item {
    flex: 1 1 calc(33.333% - 20px);
    box-sizing: border-box;
    padding: 20px;
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

@media (min-width: 875px) {
	#mp-upper {
		display: flex;
		column-rule: solid 1px #b8b8b8;
	}
	
	#mp-left {
		flex: 1 1 20%;
		margin: 2px;
		column-rule: solid 1px #f0f;
		border-right:1px solid black;
		border-left:1px solid pink;
	}
}