body{
  padding: 0;
  background-color: white;
  color: black;
  font-size: 25px;
  transition: 0.3s;
}

html, body {
    margin: 0;
    
}



header {
  padding: 0;
  background-color: white;
  color: black;
  font-size: 8px;
  transition: 0.3s;
}


:root {
  --border-color: black;   /* cor padrão */
}

.dark-mode {
  --border-color: white;   /* cor quando dark */
}



.dark-mode {
  background-color: black;
  color: white;
}

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

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border-radius: 34px;
}



.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #2196F3;    /* Esses, são a animação do togle*/
}

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