* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Montserrat', sans-serif;
}

/* Style the header with a grey background and some padding */
.header {
  overflow: hidden;
  background: linear-gradient(57deg, #8ac926, #77c950);
  padding: 20px 10px;
}
html{
  background: #FAF3EB
}
/* Style the header links */
.header a {
  float: left;
  color: white;
  text-align: center;
  padding: 12px;
  text-decoration: none;
  font-size: 18px;
  line-height: 25px;
  border-radius: 4px;
}

/* Style the logo link (notice that we set the same value of line-height and font-size to prevent the header to increase when the font gets bigger */
.header a.logo {
  font-size: 35px;
  font-weight: bold;
}

/* Change the background color on mouse-over */
.header a:hover {
  background-color: #6dba49;
  color: white;
}

/* Style the active/current link*/
/* change this one  */
.header a.active {
  color: white;
  font-size: 21px;
  font-weight: bold;
  text-decoration: underline;
}

/* Float the link section to the right */
.header-right {
  float: right;
}

/* Add media queries for responsiveness - when the screen is 500px wide or less, stack the links on top of each other */
@media screen and (max-width: 500px) {
  .header a {
    float: none;
    display: block;
    text-align: left;
  }

  .header-right {
    float: none;
  }
}

/* End of Header */
/* Float four columns side by side */
.column {
  float: left;
  width: 33.3%;
  padding: 30px;
}

/* Remove extra left and right margins, due to padding */
.row {
  align-items: center;
  align-content: center;
  text-align: center;
  margin: 90px;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Responsive columns */
@media screen and (max-width: 600px) {
  .column {
    width: 100%;
    display: block;
    margin-bottom: 20px;
  }
}

/* Style the counter cards */
.card {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  max-width: 450px;
  margin: auto;
  padding: auto;
  padding: 16px;
  text-align: center;
  background-color: #f1f1f1;
}

.card h3 {
  color: green;
  font-weight: bold;
}

/* .card img{
  border-radius: 50%;
  width: 200px;
  height: 200px;
} */
/* Button of Blackboard and others */
.w3-btn {
  margin-bottom: 10px;
}

.footer {
  font-size: 19px;
  left: 0;
  bottom: 30px;
  width: 100%;
  color: black;
  text-align: center;
}