@font-face {
  font-family: Montserrat;
  src: url(../font/montserratregular.otf);
}
body {
  width:100%;
  padding-top: 0;
}
#hero  {
    width:100%;
    font-family: Montserrat;
}
nav {
  top: 0;
  position: fixed;
  width: inherit;
}
.menu-normal {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  background: rgba(255,255,255,1);
}
.menu-normal a {
  padding: 1.5% 2%;
  text-decoration: none;
}
a.btn {
  padding: 2% 2% 1%;
  text-decoration: none;
}
img.logoscroll {
  margin-top: 10px;
  padding-left: 8%;
  max-width: 500px;
  overflow: hidden;
  transition: all 0.5s;
}
.btn {
  font-family: Montserrat;
  font-size:130%;
  background: none;
  color:rgba(153,153,153,1);
  position: relative;
  transition:color 0.25s ease;
  border: none;
}
.btn:hover {
  color:rgba(51,167,23,1);
}
.btn::after {
  position: absolute;
  content: '';
  top:50%;
  left: 50%;
  width: 0;
  height: 100%;
  background-color: rgba(153,153,153,0.3);
  transform: translateX(-50%) translateY(-50%);;
  transition:width 0.25s ease;
}
.btn:hover::after {
  width: 100%;
}
.btn:focus {
  background: rgba(153,153,153,0.3);
  outline:0;
}
.menu-underline {
  width:100%;
  height:10px;
  background-image: linear-gradient(rgba(128,128,128,1), rgba(128,128,128,0.3), rgba(0,0,0,0));
}

.nav-spacer {
  height: 80px;
}

a {
  text-decoration: none;
}

.lecture-card {
  box-shadow: 0px 0px 10px 5px #cccccc;
  padding: 15px;
  margin: 20px auto;
  width: 800px;
  border-radius: 4px;
}

.lecture-card-title {
  margin: 10px 0px;
}

.lecture-card-title p {
  color: rgba(51,167,23,1);
  font-size: 18px;
  font-weight: bold;
}

.lecture-card-author {
  margin: 10px 0px;
}

.lecture-card-author p {
  font-size: 15px;
  font-weight: bold;
  color: black;
}

.lecture-card-author {
  margin: 10px 0px;
}

.lecture-card-date p {
  font-size: 12px;
  color: black;
}

.lecture-card-remark {
  margin: 30px 0px 10px;
  text-align: justify;
}

.lecture-card-remark p {
  font-size: 13px;
  color:rgba(153,153,153,1);
  line-height: normal;
}

.lecture-card-remark span {
  font-weight: bold;
}

.lecture-card-youtube {
  display: flex;
  justify-content: space-around;
}

.lecture-card-youtube iframe {
  border-radius: 4px;
}