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

.navbar {
  background-color:#0081f2d8;
  font-size: 18px;
}
.navbar-brand {
  font-size: 18px;
}
#myVideo {
  object-fit: cover;
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;

}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 7vh;
}
#top-left-title {
  color: white;
  font-size: 18px;
  font-family: "Lobster", cursive;
  letter-spacing: 0.1rem;
}

#logo {
  font-family: 'Lato', sans-serif;
  font-weight: lighter;
  font-size: 2rem;
}
p {
    position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -30%);
  font-size: 2rem;
   font-family: 'Lato', sans-serif;
  color: white;
}
span{
  color: white;
}
.big-text {
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translate(-50%, -30%);
  font-size: 5rem;
   font-family: 'Lato', sans-serif;
  color:white;
}

.intro {
  background: #0083f2;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.slider {
  background:#0083f2;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: translateY(100%);
}

.intro-text {
  color: rgb(233, 233, 233);
  font-family: "Heebo", sans-serif;
  font-size: 3rem;
}

.hide {
  background:#0083f2;
  overflow: hidden;
}

.hide span {
  transform: translateY(100%);
  display: inline-block;
}

/**** BTN No. 4 ****/
.btn-4 {
  width: 130px;
  height: 40px;
  line-height: 42px;
  padding: 0;
    background-color: Transparent;
    background-repeat:no-repeat;
    border: none;
    cursor:pointer;
    overflow: hidden;
    outline:none;
}
.btn-4 span {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}
.btn-4:before,
.btn-4:after {
  position: absolute;
  content: "";
  right: 0;
  top: 0;
  background: #fff;
  transition: all 0.3s ease;
}
.btn-4:before {
  height: 50%;
  width: 2px;
}
.btn-4:after {
  width: 20%;
  height: 2px;
}
.btn-4:hover:before {
  height: 100%;
}
.btn-4:hover:after {
  width: 100%;
}
.btn-4 span:before,
.btn-4 span:after {
  position: absolute;
  content: "";
  left: 0;
  bottom: 0;
  background: #fff;
  transition: all 0.3s ease;
}
.btn-4 span:before {
  width: 2px;
  height: 50%;
}
.btn-4 span:after {
  width: 20%;
  height: 2px;
}
.btn-4 span:hover:before {
  height: 100%;
}
.btn-4 span:hover:after {
  width: 100%;
}