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

html {
    min-height: 100vh;
}

body {
    font-family: verdana;
    text-align: center;
    background-color: powderblue;
    height: 100vh;
}

nav a:hover {
    color: #f93fe3;
    text-shadow: 2px 2px 2px #000;
}
#container {
    width: 85%;
    background-color: #eee;
    min-height: 85%;
    margin: 16px auto;
    
}

header {
    background-color: hsla(200, 100%, 40%, .6);
    min-height: 250px;
    text-align: center;
    font-family: verdana;
    font-size: 20px;
    background-image: url(../mountains1.jpg);
    background-size: cover; 
    background-position: 100% 75%;
    
}

#container > div {
    background-color: rgb(206, 87, 227);
}

#container >div >nav {
    background-color: rgb(224, 48, 203);
    height: 500px;
    width: 200px;
    float: left;
}

#container >div >main {
    background-color: hsla(20, 100%, 40%, .6);
    min-height: 900px;
    padding-bottom: 80px;
    margin-left: 200px;
}

footer {
    background-color: hsla(240, 100%, 40%, .2);
    height: 140px;
    text-align: center;
}

article {
    border-color: hsla(200, 100%, 100%, .7);
    border-width: 2px;
    border-style: groove;
    margin: 80px 8px 8px 8px;
    position: relative;
    min-height: 100px;
}

article > h3 {
    position: absolute;
    top: -36px; left: 0px;
}


article > div {
    width:120px; height: 120px; 
    border: 8px solid #222;
    margin: 8px;
    align-items: center;
}

article#example1 {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

article#example2 {
    display: flex;
    justify-content: space-around;
}

article#example3 {
    display: flex;
    justify-content: space-around;
}

article#example4 {
    display: flex;
    justify-content: space-around;
}