body {
	font: 'Calibri', sans-serif;
    color: black;
    font-weight: bold;
    margin:0;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: .5em;
    top: 15%;
	background: linear-gradient(to right, red , yellow); /* Standard syntax */
}

h1 {
    font: 600 3.5em 'Calibri', sans-serif;
    color: rgba(0,0,0,.5);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: .5em;
    width: 100%;
}

h4 {
	font: 900 1em 'Calibri', sans-serif;
    color: rgba(0,0,0,.5);
    text-align: center;
    text-transform: none;
    letter-spacing: 0.01em;

}

.header {
  display: flex;
  justify-content: center;
  background-color: #ffffff;
  opacity: 0.7;
  margin-bottom: 5rem;
  font-weight: bold;
  color: black;
  /*padding-bottom: 2rem;*/
}

@media only screen and (max-width: 600px) {
    .header {
        font-size: 0.5em;
        padding: 0;
    }
}

.details {
  display: flex;
  align-content: center;
  justify-content: center;
  border-radius: 10px;
  margin-top: 5rem;
/*  padding-bottom: 2rem;*/
}

.info{
  display: flex;
  flex-direction: column;
  align-content: center;
  justify-content: center;
  margin: 1rem;
  /*padding: 2rem;*/
  background-color: #ffffff;
  border-radius: 5px;
  width: 500px;
/*  text-align: center;
  text-transform: uppercase;*/
}

.button {
  background-color: #cfcfcf;
  border: solid;
  border-color:#bab8b8;
  border-radius: 20px;
  color: black;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
}
.button:hover{
    cursor: pointer;
    background-color: #03fc45;
}