PowerBox/data/style.css

* {
  box-sizing: border-box
}

html {
  font-family: Arial, Helvetica, sans-serif;
  display: inline-block;
  margin: 0px auto;
  text-align: center;
}

h1,
h3 {
  color: white;
  font-size: 1.8rem;
}

.topnav {
  overflow: hidden;
  background-color: #143642;
}

body {
  margin: 0;
}

.card {
  background-color: #F8F7F9;
  box-shadow: 2px 2px 12px 1px rgba(140, 140, 140, .5);
  padding-top: 10px;
  padding-bottom: 20px;
}

.toggle_button {
  padding: 15px 50px;
  font-size: 24px;
  text-align: center;
  outline: none;
  color: #fff;
  background-color: #0f8b8d;
  border: none;
  border-radius: 5px;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

.toggle_button:active {
  background-color: #0f8b8d;
  box-shadow: 2 2px #CDCDCD;
  transform: translateY(2px);
}

.toggle_button:hover {
  cursor: pointer;
}

.led-green {
  margin: 0 auto;
  width: 24px;
  height: 24px;
  background-color: #ABFF00;
  border-radius: 50%;
  box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #304701 0 -1px 9px, #89FF00 0 2px 12px;
}

.led-red {
  margin: 0 auto;
  width: 24px;
  height: 24px;
  background-color: #F00;
  border-radius: 50%;
  box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 12px;
}

.layout {
  max-width: 1200px;

  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

@media (min-width: 300px) {
  .layout {
    grid-template-columns: repeat(1, 1fr);
  }
}

@media (min-width: 600px) {
  .layout {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .layout {
    grid-template-columns: repeat(3, 1fr);
  }
}

.options_button_div {
  text-align: right;
}

.options_button {
  border: none;
  background-color: #F8F7F9;
}

.options_button:hover {
  cursor: pointer;
}

.options_button:active {
  transform: translateY(2px);
}

img {
  width: 1.5em;
  height: auto;
}


/* The Modal (background) */
.modal {
  display: none;
  /* Hidden by default */
  position: fixed;
  /* Stay in place */
  z-index: 1;
  /* Sit on top */
  left: 0;
  top: 0;
  width: 100%;
  /* Full width */
  height: 100%;
  /* Full height */
  overflow: auto;
  /* Enable scroll if needed */
  background-color: rgb(0, 0, 0);
  /* Fallback color */
  background-color: rgba(0, 0, 0, 0.4);
  /* Black w/ opacity */
}

/* Modal Content/Box */
.modal-content {
  background-color: #fefefe;
  margin: 10% auto;
  /* 15% from the top and centered */
  padding: 20px;
  border: 1px solid #888;
  width: 400px;
  /* Could be more or less, depending on screen size */
}

/* The Close Button */
.close {
  color: red;
  float: right;
  font-size: 35px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: white;
  text-decoration: none;
  cursor: pointer;
}

label {
  display: inline-block;
  text-align: left;
  width: 75px;
}


ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
}

li {
  float: left;
}

li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover {
  background-color: #111;
}