<style>
/* Reset some default styles */
body, h1, p, ul, li {
    margin: 0;
    padding: 0;
}

/* Style the navigation bar */
nav {
    background-color: #333;
}

nav ul {
    list-style-type: none;
    overflow: hidden;
}

nav ul li {
    float: left;
}

nav ul li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

/* Style the container */
.container {
    width: 100%;
    margin: 50px auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.container h1 {
    font-size: 3em;
    margin-bottom: 20px;
}

.container p {
    font-size: 1.2em;
    line-height: 1.5;
}
.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
    height: 50px;
    background-color: #ffffff;
    padding: 20px;
    
}

/* Grid items */
.grid-item {
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #ccc;
}
.grid-contain {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
    height: 50%;
    background-color: #ffffff;
    padding: 20px;
    
}


    </style>