*{
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html{
  --bd_colur:#E0E0E;
  --bd_colur_aricle: gray;
  --nav_height: 50pc;
}
nav{
  width: 100%;
  height: var(--bd_height);
  background-color: aqua;
  }

nav ul{

  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 50px;
}

nav ul li{
  list-style-type: none;
}

nav ul li a{
  text-decoration: none;
  text-transform: uppercase;
}

footer{
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: tomato;
  color: #ffffff;
}

main{
  background-color: #E0E0E0;
  min-height: calc(100vh -100px);
}

h1{
  text-align: center;
  /* mergin: 10px 0; */
}
.a_post{
  display: flex;
  align-items: center;
  height: 250px;
  background-color: gray;
  margin: 10px;

}

.a_post:hover{
  background-color: #cfcace;

}
.dtg{
  width: 200px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dtg div{
width: 100px;
height: 200px;
box-shadow: 5px 5px 15px black;
border-radius: 30px;
margin: 40px auto;
overflow: hidden;
}

.dtg time{
  display: block;
  height: 130px;
  width: 100px;
  text-align: center;
  padding-top: 45px;
  font-size: 30px;
}
.dtg time:first-child{
  height: 70px;
  border-bottom: 1px solid black;
  padding-top: 20px;
  background-color: red;
  font-size: 40px;
  color: white;
}

.aside h2{

}