html, body{
  height: calc(100vh - 31px - 50px);
  color: black;
  font-family: "Open Sans", Arial, sans-serif;
}

a, a:hover{
	text-decoration: none;
	color: inherit;
}

#container{
	padding-left: 1%;
	padding-right: 1%;
	padding-top: 2%;
	margin-top: calc(31px + 50px);
}

.card{
	border: 2px solid lightgrey;
}
.card:hover{
  	box-shadow: 0 30px 60px 0 rgba(0, 0, 0, 0.3);
}
.card-img-top{
	border-bottom: 1px solid lightgrey;
}
.card-body{
	text-align: center;
  	color: rgb(102, 102, 102);
}
.card-title{
	font-size: 22px;
	font-weight: bold;
	color: rgb(33, 37, 41);
	text-align: center;
}
.card-deck{
	margin-bottom: 50px;
}

/*Small devices (landscape phones, 576px and up)*/
@media (max-width: 576px) {
  #header #title{
    font-size: 13px;
    text-align: left;
    margin: 0;
  }
  #header img{
    display: none;
  }
  #top-header{
    overflow: hidden;
  }
  .btn-primary{
    font-size: 13px;
  }
  .refresh{
  	display: none;
  }
}

/*Medium devices (tablets, 768px and up)*/
@media (max-width: 768px) {
  #header #title{
    font-size: 15px;
  }
  #header img{
    width: 150px;
  }
  #top-header{
    overflow: hidden;
  } 
  .btn-primary{
    font-size: 13px;
  }
}