body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
  }
  .logo {
    text-indent:-999999px;
  float: left;
  padding: 0px 0;
  width: 900px;
  height: 1px
 
}
  html {
    box-sizing: border-box;
  }
  
  *, *:before, *:after {
    box-sizing: inherit;
  }
  
  .column {
    float: left;
    width: 33.3%;
    margin-bottom: 16px;
    padding: 0 8px;
  }
  
  .card {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    background-color: white;
    margin: 8px;
  }
  
  .about-section {
    padding: 50px;
    text-align: center;
    background-color: #6d6666;
    color: rgb(0, 0, 0);
  }
  
  .container {
    padding: 0 16px;
  }
  
  .container::after, .row::after {
    content: "";
    clear: both;
    display: table;
  }
  
  .title {
    color: grey;
  }
  
  .button {
    border: none;
    outline: 0;
    display: inline-block;
    padding: 8px;
    color: white;
    background-color: #000;
    text-align: center;
    cursor: pointer;
    width: 100%;
  }
  
  .button:hover {
    background-color: #555;
  }
  
  @media screen and (max-width: 650px) {
    .column {
      width: 100%;
      display: block;
    }
  }
  @import url('https://fonts.googleapis.com/css?family=Work+Sans:400,600');
body {
	margin: 0;
	background: rgb(133, 130, 130);
	font-family: 'Work Sans', sans-serif;
	font-weight: 80;
}

.container {
	width: 90%;
	margin: 0 auto;
}

header {
  background: rgb(0, 0, 0,1);
}

header::after {
  content: '';
  display: table;
  clear: both;
}

.logo {
    text-indent:-999999px;
  float: left;
  padding: 0px 0;
  width: -90px;
  height: 3px

}

nav {
  float: right;
}

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

nav li {
  display: inline-block;
  margin-left: 70px;
  padding-top: 23px;

  position: relative;
}

nav a {
  color: rgb(255, 255, 255);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 16px;
  font-weight: 800;
}

nav a:hover {
  color: rgb(0, 217, 255);
}

nav a::before {
  content: '';
  display: block;
  height: 5px;
  background-color: rgb(0, 217, 255);

  position: absolute;
  top: 0;
  width: 0%;

  transition: all ease-in-out 250ms;
}

nav a:hover::before {
  width: 100%;
}