/* external CSS file =================== */

/* css reset rule */
* {
  margin: 0; padding: 0;
}

body {
  font-family: verdana, arial, sans-serif;
  background-color: #234;
  color: #EEE;
  border: 4px solid #222;
  margin: 4px;
  padding: 12px;
}

/* type selector */
header {
  background-color: #222;
  padding: 12px;
  text-align: center;
}

/* descendent selector */
header h1 {
  color: yellowgreen;
  font-weight: normal;
  text-transform: uppercase;
  margin-bottom: 12px;
}

header p {
  color: yellow;
  text-transform: lowercase;
  letter-spacing: 8pt;
}

header p span {
  color: #999;
  display: block; padding: 8px;
}

/* class selector */
.subtitle {
  outline: 2px solid gray;
}

/* ============================ */
/* CSS Examples */

section {
  display: flex;
  justify-content: center;
  flex-flow: row wrap;
  margin-bottom: 800px;
}

section article {
  border: 2px solid hotpink;
  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;
}

/* ID selector */
#art1 div {
  width: 70%;
  aspect-ratio: 2/1;
  background-color: skyblue;
  margin: 20px auto;
  border-radius: 20px;
}

#art2 div {
  width: 70%;
  aspect-ratio: 2.5/1;
  background-color: #000;
  /* center a block */
  margin: 20px auto; 
  border-radius: 20px;
  box-shadow: -4px 8px 14px white;
}

#art3 h2 {
  font-family: "Playwrite HU", cursive;
  text-align: center;
  font-size: 18pt;
  color: #FF3;
  border: 2px solid yellowgreen;
}

#art4 {
  /* use position relative on the parent */
  position: relative;
}

#art4 h2 {
  color: #FF3;
  /* use position absolute on the child you want to manipulate */
  position: absolute;
  bottom: 10px; left: 0;
  border: 0px solid yellowgreen;
  width: 100%;
  text-align: center;
  /* padding-bottom: 10px; */
}

#art5 {
  position: relative;
}

#art5 div {
  /* setting position absolute to ALL divs within art5 */
  position: absolute;
}

#art5 div:nth-of-type(1) {
  width: 40%; aspect-ratio: 1;
  background-color: #F44;
  bottom: 10px; left: 64px;
  z-index: 5;
}

#art5 div:nth-of-type(2) {
  width: 40%; aspect-ratio: 1;
  background-color: #44F;
  bottom: -10px; right: 64px;
  z-index: 3;
}

#art6 {
  transition: all 300ms linear;
}

/* pseudo element */
#art6:hover {
  background-color: #404;
  color: #FF4;
  border: 2px solid yellowgreen;
}















































  /* css ruleset, aka rule 
  selector {
    property: value;
    property2: value;
    property3: value1 value2;
  }
  */