* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/*
html,
body {
  height: 100%;
}*/

body {
  font-family: Arial, sans-serif;
  background-color: #073b4c;
  display: flex;
  /*flex-direction: column;*/
}

h1 {
  text-align: center;
  padding: 20px 0;
  color: #ffd166;
}

.content {
  flex: 1;
  padding: 20px; 
  text-align: center;
}


.sidebar {
  width: 230px;
  background-color: #022532;
  /*2c3e50*/
  height: 100vh;
  color: white;
  display: flex;
  flex-direction: column;
  padding: 20px;
  letter-spacing: 2px;
}

.sidebar a {
  padding: 20px;
  color: white;
  text-decoration: none;
  /*margin-bottom: 20px;*/
  display: block;
  font-size: 18px;
}

.sidebar a:hover {
  text-decoration: underline;
}

.footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: #022532;
  color: white;
  text-align: center;
  padding: 8px 0;
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: .4s;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
}

input:checked + .slider {
  background-color: #2196F3;
}

input:focus + .slider {
  box-shadow: 0 0 1px #2196F3;
}

input:checked + .slider:before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(26px);
}

/* Rounded sliders */
.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

.control{
  display: flex;
  flex-direction: column;  
  padding: 50px 0;
  color: white;
}