* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    min-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    position: relative;
    width: 100%;
    background-color: #030248;
}

.box {
    background-color: rgba(255, 255, 255, 0.377);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    width: 850px;
    height: 300px;
    border-radius: 5px;
}

.units {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}
h1{
    font-size: 60px;
    text-shadow: 5px 6px 3px rgba(0, 0, 0, 0.247);
    margin-bottom: 25px;
    color: white;
}
input{
    font-size: 25px;
    padding: 8px;
    background-color: gainsboro;
    border: none;
    text-align: center;
    border-radius: 5px;
  color: black;
  font-weight: 700;
}
.set{
    margin: 10px;
}
p{
    font-size: 40px;
     margin-top: 50px;
}
h3{
    font-size: 30px;
    margin-bottom: 10px;
}
@media screen and (max-width: 850px) {
    .box{
        width: 95%;
    }
    input{
        font-size: 20px;
        width: 100%;
    }
}
@media screen and (max-width: 510px) {
   h1{
    font-size: 40px;
   }
   h3{
    font-size: 20px;
   }
 p{
    margin-top: 30px;
 }
}