body{
  margin: 0;
  background-color: #212121;
}
.overnav{
  width: 100%;
  height: 0;
  overflow-x: hidden;
  z-index: 1;
  position: fixed;
  top: 56px;
  background-color: rgba(171, 65, 65);
  transition: 0.5s;
}

.overcontent{
  text-align: center;
  position: relative;
  top: 25%;
  left: 0;
  width: 100%;
}
.overnav a{
  display: block;
  text-decoration: none;
  color: white;
  font-family: Oswald;
  font-size: 30px;
  padding: 10px;
  margin-bottom: 23px;

}
.overnav a:hover:not(#xbtn){
  color: white;
  transition: 0.3s;
  background: rgba(0, 0, 0, 0.84);
}
.navbar{
  background-color: rgb(210, 99, 99);
  top: 0;
  position: fixed;
  width: 100%;
  overflow: hidden;
  box-shadow: 0px 0px 18px 6px black;
}
#lsd{
  float: left;
  font-family: Nosifer;
  padding: 0;
  padding-left: 1%;
  padding-top: 0.5%;
}
#mbtn{
  font-family: sans-serif;
  font-size: 30px;
  display: none;
}
.navbar a{
  font-family: Roboto;
  font-weight: bolder;
  float: right;
  font-size: 20px;
  color: white;
  padding: 10px;
  text-decoration: none;

}
#xbtn{
  font-family: sans-serif;
  font-size: 30px;
  display: none;
}
.navbar a:hover:not(#lsd){
  background-color: rgb(223, 124, 124);
}

@media screen and (max-width: 600px) {
  #mbtn{
    display: block;
    transition: 0.3s;
  }
  .navbar a{
    display: none;

      transition: 0.3s;
  }
  #lsd{
    transition: 0.3;
    display: block;
    padding-top: 2%;
    padding-left: 2%;
    float: left;
  }
}
.books{
  margin-top: 150px;
  margin-bottom: 20px;
}
.dbtn button{
  padding: 10px;
  background-color: rgb(77, 125, 71);
  border: none;
  color: white;
  cursor: pointer;
}
.dbtn button:hover{
  background-color: rgb(116, 180, 108);
}
@media screen and (max-width: 600px) {
  .box{
    margin-left: 2%;
    margin-right: 2%;
    padding: 22px;
    border-radius: 8px 8px;
    background-color: white;
    transition: 0.5s;
    border-style: solid;
    border-color: rgb(182, 182, 182);
    border-width: 1px;
    font-weight: bold;
    box-shadow: 1px 1px 18px black;
    float: left;
    margin-bottom: 80px;
  }
  .box hr{
    height: 1px;
    border: none;
    background-color: #e0a6a6;
    width: 100%;

  }
  .box h3{
    font-size: 22px;
    font-family: sans-serif;
    color: #ee6f6f;
  }
  .box p{
    font-family: sans-serif;
    color: #ee6f6f;
  }
  .dbtn{

  }
}
@media screen and (min-width: 600px) {
  .box{
    margin-left: 17%;
    margin-right: 17%;
    padding: 22px;
    border-radius: 8px 8px;
    background-color: white;
    transition: 0.5s;
    border-style: solid;
    border-color: rgb(182, 182, 182);
    border-width: 1px;
    font-weight: bold;
    box-shadow: 1px 1px 18px black;
    float: left;
    margin-bottom: 80px;

  }
  .box hr{
    height: 1px;
    border: none;
    background-color: #e0a6a6;
    width: 100%;

  }
  .box h3{
    font-size: 22px;
    font-family: sans-serif;
    color: #ee6f6f;
  }
  .box p{
    font-family: sans-serif;
    color: #ee6f6f;
  }
}

.footer__heart {
    background-color: #dd2e44;
    height: 1rem;
    width: 1rem;
    position: relative;
    transform: rotate(-45deg);
    animation: heartbeat 1s infinite;
    display: inline-block;
    margin: 0 1.5rem;
}
.footer__heart:after, .footer__heart:before {
    content: "";
    position: absolute;
    background: #dd2e44;
    width: 1rem;
    height: 1rem;
    border-radius: 100%}
.footer__heart:before {
    top: -.6rem;
    left: 0;
}
.footer__heart:after {
    top: 0;
    right: -.6rem;
}
@keyframes heartbeat {
    0% {
    transform: scale(1) rotate(-45deg);
}
  20% {
    transform: scale(1.25) rotate(-45deg);
}
  40% {
    transform: scale(1.5) rotate(-45deg);
}