* {
    margin:0; padding:0;
}


body {
    background-color: rgb(48, 1, 53);
    color: white;
    font-family: verdana;
    padding: 12px; 
    border: 4px solid green;
}

header {
    border: 8px solid aqua;
    padding: 12px;
}

header > h1 {
    text-align: center;
    font-weight: normal;
    text-transform: uppercase;
    color: lightcoral;
    margin-bottom: 10px;
    border-bottom: 4px solid lavender;
}

header span {
    display: block;
    color:yellow;
}

.subtitle {
    text-align: center;
    border: 2px solid grey;
    letter-spacing: 8px;
}


section {
    display: flex;
    justify-content: center;
    flex-flow: row wrap;    
}

section article {
    border: 2px solid palevioletred;
    max-width: 360px;
    min-height: 200px;
    margin: 10px;
    flex: 0 0 auto;
    padding:4px;
}

article h2 {
    font-size: 16pt;
}

article p {
    margin: 8px;
    line-height: 1.4;
}

#art1 div {
    width: 70%;
    aspect-ratio:2/1;
    background-color: blue;
    margin: 20px auto;
    border-radius: 20px;
}

#art2 div {
    width: 70%;
    aspect-ratio: 2.5/1;
    background-color: black;
    margin: 20px auto;
    border-radius: 20px;
    box-shadow: 4px 8px 14px tan;
}

#art3 h2 {
    font-family: "Rubik Storm", sans-serif;
    text-align: center;
    font-size: 20pt;
    color:rgb(233, 8, 8);
}

#art4 {
    position: relative;
}

#art4 h2 {
    color:aquamarine;
    position: absolute;
    bottom: 10px; left: 0;
    border: 0px solid red;
    width:100%;
    text-align: center;
}

#art5 {
    position: relative;
}

#art5 div {
    position: absolute;
}

#art5 div:nth-of-type(1) {
    width: 40%; aspect-ratio: 1;
    background-color: teal;
    bottom: -15px; left: 54px;
    Z-index: 5;
}

#art5 div:nth-of-type(2) {
    width: 40%; aspect-ratio: 1;
    background-color: lightsalmon;
    bottom: -10px; right: 54px;
    Z-index: 3;
}

#art6 {
    transition: all 300ms linear;

}

#art6:hover {
    background-color: red;
    color:yellow;
    border: 2px solid teal;
}