:root {
  --back-color: #9fadade8;
  --container-color: #2d2f3fe8;
  --text-color: #1b1b32;
  --deco-color: linear-gradient(90deg, #808080 0%, #87ceeb 50%, #808080 100%);
  --clear-btn-color: #c7251dd7;
  --check-btn-color: #088d25;
}
body {
  background-color: var(--back-color);
  text-align: center;
  font-size: 20px;
  color: var(--text-color);
}
fieldset {
  position: relative;
  display: flex;
  flex-direction: column;
  max-width: 1000px;
  min-width: 200px;
  width: 38%;
  height: 500px;
  align-items: center;
  margin: 0 auto;
  border: 5px solid var(--container-color);
  border-radius: 2rem;
  text-align: left;
}
.container {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.deco1,
.deco2 {
  position: absolute;
  width: 100%;
  height: 30px;
  left: 0;

  max-width: 1000px;
  min-width: 200px;
  height: 30px;
  background: var(--deco-color);
  z-index: -1;
}
.deco1 {
  top: 0;

  bottom: 7px;
  border-top-right-radius: 2rem;
  border-top-left-radius: 2rem;
}
.deco2 {
  bottom: 0;

  top: 490px;
  border-bottom-right-radius: 2rem;
  border-bottom-left-radius: 2rem;
}
.deco3 {
  position: relative;
  width: 50%;
  height: 15px;
  background-color: black;
  border-radius: 2rem;
  bottom: 3px;
  z-index: 0;
}
.deco4 {
  position: relative;
  width: 3%;
  height: 8px;
  background-color: white;
  border-radius: 50%;
  bottom: 14px;
  left: 45px;
  z-index: 1;
}
label {
  margin-left: 0.5rem;
}
input {
  border-radius: 1rem;
  border: 2px solid var(--container-color);
  width: 90%;
  height: 1.5rem;
  margin: 0;
  padding: 5px 8px;
}
#results-div {
  width: 90%;
  margin: 0.5em 0;
  margin-left: 0.5rem;
  padding: 5px;
  min-height: 10px;
}
.buttons {
  position: relative;
  margin-top: auto;
  margin-bottom: 1.5rem;
  
  text-align: center;
}
#check-btn,
#clear-btn {
  font-size: 0.8rem;
  font-weight: bold;
  padding: 0.3rem 1rem;
  border-radius: 100px;
  color: white;
  margin: 0 0.3rem;
}
#check-btn:hover,
#clear-btn:hover {
  cursor: pointer;
  color: var(--text-color);
  background: var(--deco-color);
}
#check-btn {
  background: var(--check-btn-color);
}
#clear-btn {
  background: var(--clear-btn-color);
}