body {
  font-family: 'Open Sans', sans-serif, 'Source Serif 4';
  font-size: 1em;
  line-height: 1;
  background-color: lightgray;
}
span {
  margin-bottom: 1%;
}
textarea {
  background: transparent;
  border: none;
  resize: none;
  width: 100%;
  color: #000000;
  border-left: 1px solid black;
  padding: 10px;
}
svg{
  height: 2em;
  width: 2em;
}
.jumbotron {
  background-color: #4aa2b6;
  text-align: center;
  color: white;
  border-radius: 0;
  border-bottom: 10px solid black;
}

button {
  margin: 15%;
  border-left: 1px solid black;
  background-color: #4aa2b6;
  color: white;
}

button:hover{
  background-color: #4aa2b6c9;
}

@media screen and (min-width: 600px) and (max-width: 749px){
  body {
    font-size: 1.5em;
  }
  svg{
    width: 3em;
    height: 3em;
  }
 }

@media screen and (min-width: 750px) and (max-width: 1600px){
 body {
   font-size: 2em;
 }
 svg{
  width: 4em;
  height: 4em;
}
}