body {
  background-image: url("imagen/imagen1.jpg");
  background-repeat: repeat-x;
  background-position: center center;
  background-size: auto;
  background-size: 35vw 100vh;
  background-attachment: fixed;
  }

.root {
   width: 370px;
   height: 290px;
   border: 3px solid rgb(168, 178, 179);
   padding: 50px;
   margin-left: auto; margin-right: auto;
   margin-top: 190px; margin-bottom: 50px;
   background-color: rgb(230, 242, 247);
   text-align: center;
   }

h1 {
  font-family:  Georgia;
  color: rgb(5, 5, 63);
  font-size: 250%;
 }

#shiftInput {
    width: 1cm; 
  }

.btn1 {
  border: none;
  margin-top: 1.5em;
  padding: 0.75em 1.5em;
  border-radius: 4px;

  font-family: Verdana, sans-serif;
  color: white;
  background-color: #156669;
  cursor: pointer;
}

.btn2 {
  border: none;
  margin-top: 1.5em;
  padding: 0.75em 1.5em;
  border-radius: 3px;

  font-family: Verdana, sans-serif;
  color: white;
  background-color: hsl(36, 100%, 50%);
  cursor: pointer;
}

.text {
    height: 30px; width: 350px;
    }
   
.number {
    height: 20px;
    }