body{
  background-image: linear-gradient(rgba(0, 0, 0, 0.5),rgba(0, 0, 0, 0.5)),url(../pc3.jpg);
  background-size: cover;
  background-attachment: fixed;
  width: 80%;
  border: 20px solid #fff;
  font-family:Arial:;
  padding: 20px;
  margin: 20px auto;
  max-width: 700px;
}

p{
    color:lightgrey;
    font-weight: 600;
    line-height: 20px;
}

.blog{
  margin-bottom: 20px;
}
.date{
  text-align: center;
  color: black;
  letter-spacing: 0.2rem;
  text-transform: uppercase;
  font-weight: 600;
}
.paragraph{
  font-size: 18px;
  padding-left: 20px;
  padding-right: 20px;
}

.image{
  width: 100%;
  height: auto;
}

.title{
  margin-bottom: 1px;
  padding: 15px;
  text-align: center;
  font-size: 2rem;
  color: yellow;
}

hr{
  border 0;
  height: 0;
  border-top: 1px solid #fff;
  border-bottom: 1px solid #fff;
}

.link{
  color: lightgrey;
}

.container{
  text-align: center;
}
.btn{
  border: 2px solid black;
  background: none;
  padding: 10px 20px;
  font-size: 20px;
  font-family: "montserrat";
  cursor: pointer;
  margin: 10px;
  position: relative;
  overflow: hidden;
}

.btn{
  text-decoration: none;
  color: yellow;
}

.btn:hover{
  color: black;
  border: 3px solid yellow;
  box-shadow: 0 0 10px yellow, 0 0 40px yellow, 0 0 80px yellow;
  transition-delay: 0.8s;
}

.btn::before{
  content:"";
  position: absolute;
  left: 0;
  width:100%;
  height: 0%;
  background: yellow;
  z-index: -1;
  transition: 0.8s;
}

.btn::before{
  top: 0;
  border-radius: 0 0 50% 50%;
}
.btn:hover::before{
  height: 100%;
}