body {
  margin: 0px;
  background-color: #e5f0eb;
  font-family: "Inter", Arial, sans-serif;
  text-align: center;
  width: 100%;
  min-width: 400px;
  
}

#header {
  background-color: #6943ff;
  padding: 20px;
}
#header-title {
  color: #ffffff;
}
#input-el {
  background-color: transparent;
  outline: none;
  width: 100px;
  height: 100px;
  box-sizing: border-box;
  padding: 20px 20px 20px 20px;
  border: 2px solid white;
  font-size: x-large;
  color: white;
  text-align: center;
  font-weight: bold;
  margin-bottom: 20px;
  border-radius: 20px;
}
#input-el::placeholder{
  font-size: 8px;
  color: white;
}
#input-el:focus {
  outline: none;
  border-color: white;
}
#convert-btn {
  background-color: #ffffff;
  color: #3d3d3d;
  border: 1px solid #d1d5db;
  box-shadow: 2px 2px 3px 2px rgba(0, 0, 0, 0.1);
  padding: 5px 15px 5px 15px;
  border-radius: 3px;
}
#convert-btn:hover {
  background-color: #f2efff;
  cursor: pointer;
}
#convert-btn:active {
  background-color: #e4dcff;
}
#card-section{
    margin-top: 10px;
}
.card {
  background-color: #ffffff;
  margin: 0px 20px 15px 20px;
  padding: 20px 10px 20px 10px;
  box-sizing: border-box;
  border-radius: 5px;
  border: 1px solid #EEEEEE;
  box-shadow: 2px 2px 4px 2px rgba(0, 0, 0, 0.04);
}
.card h3 {
  color: #5a537b;
}
.card p{
    color: #353535;
}
/* Chrome, Edge, Safari */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox */
input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}