style.css

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@500&display=swap');
:root {
  --dark-color: #000000;
  --light-color: #ffffff;

    /* Element Colors */
    --alkali-metal: #ff00ff;
    --alkaline-earthmetal: #afeeee;
    --transition-metal: #dcdcdc;
    --metal-elem: #87ceeb;
    --halogen-elem: #32cd32;
    --nolble-gas: #8ab9f1;
    --lanthanoid-elem: #fbcce7;
    --actinoid-elem: #deb887;
    --nonmetal-elem: #ffd700;
    --metalloid-elem: #fddde6;
    --post-transition-metal: #ffa07a;

    /* Font */
    --playfair-display: 'Playfair Display', serif
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.main-content {
  border: 1px solid var(--dark-color);
  background-color: #f8f8ff;
  margin: 3rem;
  padding: 2rem;
  display: flex;
  justify-content: space-around;
  flex-direction: row;
  color: #555d50;
  font-family: var(--playfair-display);
}
.search-detail-section {
  padding: 2rem;
  width: 40%;
  display: flex;
  justify-content: space-around;
  flex-direction: column;
  gap: 1rem;
}
.app-title{
    color: var(--dark-color);
}
#atmc-number{
    text-align: center;
    width: 35%;
    font-size: 1rem;
    margin-bottom: 1rem;
}
#atmcNumber-btn{
    padding: 0.30rem 1rem;
    border: 1px solid black;
    background-color: #ffffff;
    border-radius: 25px;
    cursor: pointer;
    margin-bottom: 1rem;
}
#atmcNumber-btn:hover{
    background-color: var(--dark-color);
    color: var(--light-color);
}

.element-details{
    border: 1px solid black;
    color: #000000;
    background-color: #ffffff;
    padding: 1rem;
    text-align: center;
}

.element-card-section {
  padding: 2rem;
  width: 50%;
}
.element-card {
  width: 50%;
  height: 100%;
  padding: 1rem;
  display: flex;
  justify-content: space-around;
  flex-direction: column;
  /* background-color: var(--nonmetal-elem); */
  color: var(--dark-color);
}
.atmc-symbol-card {
  font-size: 65px;
}
.atmc-number-card,
atmc-mass-card,
atmc-name-card {
  font-size: 35px;
}