*{
  margin-top: 5%;
  margin-right: 10%;
  margin-bottom: 10%;
  margin-left: 10%;
  padding: 0;
  text-align: center;
}
.container{
  width:50%;
  font-family: arial;
  background-color: #65DDEF; /* For browsers that do not support gradients */
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-style: 1px solid black;
}
.card{
  width: 60%;
  height: 150%;
  box-shadow: 0 0 5px 5px rgba(0,0,0,10);
}
.input-box{
  width: 80%;
  background: transparent;
  border: none;
  outline: solid; 
  font-size: 25px;
  font-weight: bold;
  text-align: center;
  color: black;
}
.button-submit{
  display: block;
  margin-right: auto;
  margin-left: auto;
  width: 75%;
  background: 255;
  border: 1px solid black;
  border-radius: 5px;
  text-align: center;
  outline: none;
  font-size: 25px;
  font-weight: bold;
  text-align: center;
  color: black;
}
@media only screen and (min-width: 769px) and (max-width: 1080px){
  * {
    margin-top: 5%;
    margin-right: 5%;
    margin-bottom: 5%;
    margin-left: 5%;
    padding: 0;
    text-align: center;  
  }
  .container{
    width: 70%;
    font-size: 16px;
    text-align: center;
  }
  .card{
    width: 90%;
    height: 150%;
    box-shadow: 0 0 5px 5px rgba(0,0,0,10);
  }
}
@media only screen and (min-width: 375px) and (max-width: 768px){
  * {
    margin-top: 5%;
    margin-right: 5%;
    margin-bottom: 5%;
    margin-left: 5%;
    padding: 0;
    text-align: center;  
  }
  .container{
    width: 90%;
    font-size: 16px;
    text-align: center;
  }
  .card{
  width: 90%;
  height: 150%;
  box-shadow: 0 0 5px 5px rgba(0,0,0,10);
  }
}