*
{
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 0;
  margin:0;
}
html
{
  scroll-behavior: smooth;
}
ul
{
  list-style: none;
}
a
{
  text-decoration: none;
}
body
{
  background-color: #ddd;
}
.container
{
  margin-left: auto;
  margin-right: auto;
  padding-left:15px;
  padding-right: 15px;
}

@media (min-width:768px)
{
  .container
  {
    width:750px;
  }
}
@media (min-width:992px)
{
  .container
  {
    width:970px;
  }
}
@media (min-width: 1200px)
{
  .container {
    width: 1170px;
  }
}

/* start header */
.header
{
  position: absolute;
  width:100%;
  top:0;
  right: 0;
  z-index: 555;
  background-color: rgba(0 ,0 , 0, .5);

}
.header .container
{
  display: flex;
  justify-content: space-between;
  align-items: center;

}
.header .container ul
{
  display: flex;
  color: white;
}
@media (max-width:767px)
{
  .header .container ul
  {
    display: none;
  }
}
.header ul li a
{
  padding: 30px 10px;
  font-size: 22px;
  color:white;
}
.header ul li a:hover
{
  color:#DE9D3C;
}
/* landing */
.landing
{
  background-image: url(../images/library.jpg);
  background-size: cover;
  min-height: 500px;
  position: relative;
}

.landing::after
{
  content: "";
  position: absolute;
  top:0;
  right: 0;
  width:100%;
  height:100%;
  background-color: rgba(0 ,0 , 0, .4)
}
.landing .text
{
  text-align: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  z-index: 333;
}
.landing h1
{
  font-size: 60px;
  font-weight: normal;
}
.landing span
{
  color:#DE9D3C;
}

/* cont */
.cont
{
  margin-top: 30px;
  padding: 40px;
  background-color: white;
  box-shadow: 2px 2px 25px rgba(7,7,7, .2);
}
.cont .container
{
  display: flex;
}

.cont .images
{
  width:400px;
}
.cont img
{

  max-width: 100%;

}
.cont  .info
{
  margin-right: 60px;
  font-size: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  color: #333;
}
@media (max-width:767px)
{
  .cont
  {
    padding:30px 0 ;
  }
  .cont .container
  {
    display: flex;
    flex-direction: column;
    text-align: center;
  }
  .cont .images
  {
    width:auto;
    margin: auto;
  }
  .cont  .info
  {

    margin-right: 0px;
    font-size: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #333;

  }
  .cont  .info p
  {
    margin-top: 15px;
  }
}
.details
{
  margin-top: 30px;
  padding: 40px;
  background-color: white;
  text-align: center;
  box-shadow: 2px 2px 25px rgba(7,7,7, .2);
}
.details h1
{
  margin-top: 0;
  margin-bottom: 30px;
  font-weight: normal;
  font-size: 40px;
  color: #DE9D3C;
}
.details .infoB
{
  text-align: right;
}
.details .infoB p
{

  color: #333;
  line-height: 2;
  font-size: 18px;
}
@media (max-width:767px)
{
  .details .infoB p
  {
    text-align: justify;
  }
}


/* creator */
.creator
{
  margin-top: 30px;
  padding: 40px;
  background-color: white;
  box-shadow: 2px 2px 25px rgba(7,7,7, .2);

}
.creator .title
{
  text-align: center;
}
.creator .title h1
{
  margin-top: 0;
  margin-bottom: 30px;
  font-weight: normal;
  font-size: 40px;
  color: #DE9D3C;
}
.creator .container
{
  display: flex;
  align-items: center;
}
@media (max-width:767px)
{
  .creator .container
  {
    display: flex;
    flex-direction: column;

  }
}

.creator .images img
{

  width:200px;
  border-radius: 50%;
  border: 3px solid #DE9D3C;
}
.infoC
{
  margin-right: 30px;
}
.creator p
{
  color: #333;
  line-height: 2;
  font-size: 18px;
}
@media (max-width:767px)
{
  .creator .infoC p
  {
    text-align: justify;
  }
}
/* buttons */
.btns
{
  display: flex;
  justify-content: space-around;
  margin-top: 30px;
  margin-bottom: 100px;
}
@media (max-width:767px)
{
  .btns
  {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}
.btns button
{
  width:200px;
  height:40px;
  background-color: #DE9D3C;
  border:none;
  border-radius:10px;
  margin-top: 30px;
  color: white;
  cursor: pointer;
  font-size: 18px;
}