* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
:root {
  --background-color: #fff;
  --text-title: #333;
  --icon-color: #555;
  --border-color: rgba(211, 211, 211, 0.486);
  --box-shadow: rgba(0, 0, 0, 0.06);
  --icon-hover: #666;
  --img-border: #555;
  --toggle-btn: #555;
}
body {
  background: var(--background-color);
  color: var(--text-title);
}
.dark-mode {
  --background-color: black;
  --text-title: #fff;
  --icon-color: blueviolet;
  --border-color: rgba(168, 92, 239, 0.486);
  --icon-hover: rgb(168, 92, 239);
  --box-shadow: rgba(168, 92, 239, 0.199);
  --toggle-btn: blueviolet;
}
html {
  font-size: 62.5%;
}
.container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 3.2rem;
  padding: 9.6rem 0;
}
.card {
  border: 1px rgba(211, 211, 211, 0.486) solid;
  border-radius: 4px;
  padding: 3.2rem;
  text-align: center;
  width: 220px;
}
.name {
  font-size: 2rem;
  margin-bottom: 2rem;
}
.carer {
  font-size: 1.8rem;
  margin-bottom: 2rem;
}
.icons {
  display: flex;
  justify-content: center;
  gap: 1rem;
}
.icon {
  font-size: 1.8rem;
  color: var(--icon-color);
}
.icon:hover {
  transform: scale(1.5);
  transition: 0.2s;
  color: var(--icon-hover);
}
.card:hover {
  box-shadow: 0 2.4rem 4.8rem var(--box-shadow);
  transform: translateY(-1.2rem);
  transition: 0.6s;
}
.img {
  width: 50%;
  border-radius: 100%;
  display: inline-block;
  margin-bottom: 2rem;
}

.card:hover img {
  outline: 4px solid var(--img-border);
  transition: 0.2s;
}
.toggle-btn {
  background-color: var(--toggle-btn);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 150px;
  border-radius: 20px;
  height: 40px;
  font-size: 1.6rem;
  margin: -3.2rem auto 3rem auto;
  cursor: pointer;
}
.toggle-btn img {
  width: 25px;
  margin-left: 10px;
}