style.css

body {
  margin: 0;
  padding: 0;
font-family:poppins;
}
.nav {
  background-color: #FB460E;
  overflow: auto;
  align-items: center;
  height: 56px;
}
.nav h2 {
  float: left;
  margin-left: 20px;
}
.nav ul {
  float: right;
  margin-right: 20px;
  align-items: center;
}
.nav li {
  list-style: none;
  display: inline-block;
  margin-top: 5px;
 
}
.nav li a {
  text-decoration: none;
  color: white;
  background-color: transparent;
  padding: 7px 13px;
  border-radius: 5px;
  text-transform: uppercase;
}
.img {
  width: 100%;
  margin-top: 0;
  background-image: linear-gradient(-75deg, transparent,rgba(255,255,255,0.5)), url("bg1.png");
  background-size: cover;
  position: static;
  background-position: top ;
  height: 600px;
  align-items: center;
  justify-content: center;
  padding:0 ;
}
.txt{
  width: 40%;
  padding-top: 19%;
  padding-left: 40px;
}
.inf {
  margin:  40px;
}
.plates {
  padding: 20px;
  border: none;
  box-shadow:1px 1px 6px black;
  text-align: justify;
  margin: 25px;
}

.food img {
  width: 30%;
}
.sleep img{
  width: 40%;
}
.run img {
  width: 50%;
}
.inf {
  display: flex;
}





.checkbtn {
  font-size: 30px;
  float: right;
  color: white;
  margin-right: 20px;
  cursor: pointer;
  display: none;
}
#check {
  display: none;
}
@media(max-width:952px) {
  
  nav ul li {
    font-size: 16px;
  }
  
  
}
@media(max-width:858px) {
  body {
    margin-top: 55px;
  }
  .img {
    background-image: linear-gradient(transparent,orange);
    height: 60vh;
  }
  .txt {
    width:100%;
    text-align: center;
    padding-top:15%;
    padding-left: 0;
   
  }
  .checkbtn {
    display:block;
  }
  .nav {
   position: fixed;
         top: 0px; /* sticks the side nav to the top */
         left: 0px; /* sticks the side nav to the left side */
         width: 100%;
  }
  .nav ul {
    position: fixed;
    width: 100%;
    height: 100vh;
    background: #2c3e50;
    top:40px;
    left:100%;
    text-align: center;
    transition: all .8s;
    align-content: center;
    justify-content: center;
    align-items: center;
    padding-left: 0;
  }
  .nav ul li {
    display:block ;
    margin: 0 50px;
    margin-bottom: 30px ;
    margin-top: 20px;
  }
  nav ul li a {
    font-size: 20px;
  }
  nav ul li a:hover {
    background: #2f67de36;
    color:#0082e6;
  }
  .inf {
    display: block;
  }
  #check:checked~ul {
    left:0;
  }
  
}