style.css

@import url('https://fonts.googleapis.com/css2?family=Comic+Neue:wght@700&display=swap');

body {
  background: linear-gradient(to bottom,
    #C33C23, #FFB447, #FFB447, #C33C23);
  background-repeat: no-repeat;
  background-attachment: fixed;
  height: 100%; /* Assuming width will always stay at 100%*/
  
  margin: 0px;
  
  font-family: 'Comic Neue', cursive; /* Note that this doesn't apply to bottons in the ESR, for some reason */
}

/* Top / Title formatting */

div.top_container {
  display: flex;
}

div.title_div {
  margin-left: auto;
  margin-right: auto;
  
  background: linear-gradient(#9A91AC, #FFB9C4);
  padding: 15px 80px;
  border: 3px solid black;
  border-radius: 0px 0px 60px 60px;
}

div.title_div h1 {
  margin: 0px;
}

/* Spacer formatting */
div.spacer {
  flex: 0 0 0;
}

div.middle_container > div {
  flex: auto;
}

/* Player holder formatting */

div.player_holder {
  padding-left: 25px;
  justify-content:center;
  align-items:center;
}

div.player_holder p {
  
  font-size: 30px;
}

/* Middle contaienr formatting */

div.middle_container {
  flex: 0 0;
  display: flex;
  justify-content:center;
  align-items:center;
  
  height: auto;
}

/*div.middle_container div {
  flex: auto;
}*/

/* Middle stuff formatting */

div.middle_element {
  /*display:flex;*/
  display: inline-block;
  flex-direction: column;
  justify-content:center;
  align-items:center;
  
  background: linear-gradient(#CDF1AF, #88BBE4);
  border: 3px solid purple;
  border-radius: 15px;
  margin: 0px;
  padding: 25px;
}

div.middle_element p {
}

/* Input formatting */

div.input_field_container {
  display: inline-block;
  background:  #FFB447;
  /*border: 1px solid green;*/
  border-radius: 20px;
  padding: 20px;
}

input {
  font-family: 'Comic Neue', cursive;
  
  background:  #FFB447;
  border: 0px; /* Disabling input browser style */
  border-bottom: 1px solid purple;
  padding: 10px 0px 10px 0px;
}

button {
  font-family: 'Comic Neue', cursive;
  
  background: #469BC3;
  border: 0px;
  border-radius: 10px;
  box-shadow: 5px 5px 0px 0px #9B90A8;
  padding: 10px 20px 10px 20px;
}

button:active {
  color: red;
}

/* Alert box formatting */

div.alert_box_container {
  position: fixed;
  top: 0px;
  left: 0px;
  
  display: flex;
  justify-content:center;
  align-items:center;
  
  width: 100%;
  height: 100%;
  
  background-color: rgba(180, 180, 180, .75);;
}

div.alert_box {
  font-size: 50px;
  white-space: pre-line;
}