* {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}
.main {
    width: 100%;
  max-width: 450px;
  margin: auto;
  margin-top: 80px;
  padding: 25px 25px;
  box-sizing: border-box;
  box-shadow: 0px 1px 7px 2px rgb(175, 174, 174);
  border-radius: 14px;
  background-color: rgb(7, 48, 95);
}
.main h1 {
  font-size: 30px;
  padding: 20px 0;
  text-align: center;
  color: white;
}
.row1 {
  width: 100%;
  display: flex;
  padding: 18px 0;
  gap: 5px;
}
.row1 input {
  width: 90%;
  padding: 10px 10px;
  border-radius: 8px;
  border: none;
  font-size: 18px;
  font-weight: 600;
}
.row1 button {
  padding: 0 5px;
  font-size: 18px;
  border-radius: 5px;
  border: none;
}
.select-char {
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.select-char div {
  display: flex;
  justify-content: space-between;
  padding: 10px;
  border-radius: 8px;
  /* background-color: rgb(248, 242, 242); */
  color: rgb(245, 242, 242);
  box-shadow: 0px 1px 4px 2px rgb(15, 110, 235);
}
.select-char div input[type="checkbox"] {
  width: 25px;
  height: 30px;
  box-sizing: border-box;
  border: none;
  border-radius: 50%;
}
.num-input {
  width: 50px;
  padding: 5px 5px;
  box-sizing: border-box;
  font-size: 18px;
  font-weight: 600;
  border-radius: 8px;
  text-align: center;
}
.s-btn {
  display: block;
  max-width: 100px;  
  margin: auto;
  font-size: 18px;
  border-radius: 8px;
  border: none;
  text-align: center;
  padding: 8px 10px;
  box-sizing: border-box;
}
@media only screen and (min-width:0) and (max-width:576px){
    body{
        background-color: black;
    }
    .main{
        width: 400px;
        background-color: black;
        box-shadow: none;
    }
}