* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  text-transform: capitalize;
  border: none;
  outline: none;
  border-radius: 0.5rem;
}

body {
  background-color: #f1f3f8;
  font-family: sans-serif;
  text-align: center;
  overflow-x: hidden;
}

.hidden_box {
  display: block;
  font-size: 2rem;
  background-color: #fff;
  padding: 1.2rem 1.6rem;
  border-radius: 1rem;
  margin: auto;
  width: 52rem;
  margin-top: 5rem;
}
.result__key_code {
  display: block;
}
#result {
  display: block;
  display: none;
  font-size: 35rem;
  font-weight: 500;
  color: #424242;
}
.about {
  display: none;
  width: 80vw;
  margin: 0 auto;
  gap: 5%;
  flex-wrap: wrap;
}
.about__event {
  flex-grow: 1;
  height: 9.5rem;
  background-color: #fff;
  box-shadow: 1px 1px 1rem 1px #e1e1e1;
  cursor: pointer;
  transition: all 0.5s ease-in-out 0.08s;
  overflow: auto;
}
.about__event:hover {
  transform: translateY(-1rem);
  box-shadow: 1px 20px 1rem 1px #e1e1e1;
}
.header_event__about {
  background-color: #a9d8f0;
  height: 25%;
  font-size: 1.4rem;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  border-bottom-left-radius: 0rem;
  border-bottom-right-radius: 0rem;
}
.main_event__about {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 75%;
  font-size: 3.5rem;
}
#whareKey {
  font-size: 1.2rem;
  color: #c1c1c1;
}
.event__location {
  display: flex;
  flex-direction: column;
}
.mobileIpt {
  display: none;
  padding: 1rem;
  font-size: 1.2rem;
  border: 1px solid #44444436;
}

@media only screen and (max-width: 1768px) {
  .about {
    flex-wrap: wrap;
    row-gap: 3.5rem;
  }
}
@media only screen and (max-width: 930px) {
  .about {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
  }
  .about__event {
    width: 80%;
  }
  #result {
    font-size: 25rem;
  }
  .hidden_box {
    padding: 1.2rem 2.6rem;
    border-radius: 1.5rem;
    width: 90vw;
    line-height: 3.5rem;
  }
}
@media only screen and (max-width: 576px) {
  .mobileIpt {
    display: block;
  }
}
@media only screen and (max-width: 420px) {
  .about__event {
    width: 100%;
  }
  #result {
    font-size: 16rem;
  }
  #eventCode {
    font-size: 2.5rem;
  }
  .hidden_box {
    padding: 1.2rem;
    border-radius: 2rem;
    width: 98vw;
  }
  .about {
    row-gap: 3rem;
  }
}