/* Default theme */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #f9f9f9;
  color: #333;
}
#logo {
  height: 50px;
  border-radius: 50%;
}
h1 {
  color: #333;
}
/* Menu styles */
nav {
  background-color: #ebebeb;
  color: black;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

li {
  margin-right: 20px;
}

a {
  color: black;
  text-decoration: none;
  transition: color 0.5s ease-out;
}

a:hover {
  color: green;
}
/* Header styles */
header {
  background-color: #9ee7d6ae;
  color: #333;
  padding: 50px 20px;
  text-align: center;
}
/* Footer styles */
footer {
  background-color: #ebebeb;
  color: black;
  width: 100%;
  height: 100px;
  text-align: center;
  margin-top: auto;
}
footer p {
  margin: 0;
  line-height: 100px;
}
h3 {
  text-align: center;
}
/*--------------------------------*/
#mainDiv {
  all:inherit;
  display: none;
  visibility: hidden;
  opacity: 0;
  transition: visibility 1s, opacity 1s linear;
}
#gifLoader {
  position: fixed;
  width: 100%;
  height: 100%;
  background: white url("loader.gif") no-repeat center center;
  transition: visibility 1s,opacity 0.5s linear;
}
#cssLoader {
  position: fixed;
  top:50%;
  left:50%;
  margin-top: -20px;
  margin-left: -20px;
  border:4px solid lightgray;
  border-radius: 50%;
  border-top: 4px solid green;
  border-bottom: 4px solid green;
  border-right: 4px solid green;
  width:40px;
  height: 40px;
  transition: visibility 2s,opacity 0.5s linear;
  animation: spin 2s linear infinite;
}
@keyframes spin {
  0% {transform: rotate(0deg);}
  100%{transform: rotate(360deg);}
}