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


}



.container_up {
    width: 100%;
    height: auto;
    background-color: aqua;
    border-top: 1px solid gray;
    border-left: 1px solid gray;
    border-right: 1px solid gray;
    position: sticky;

}

.rounded-circle {
    width: 6rem;
    margin-left: 0.5rem;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

#baslık1 {

    text-align: left;
    display: inline-block;
    position: absolute;
    padding-left: 0.5rem;
    padding-top: 2rem;
    font-size: 3rem;
    font-family: "DM Serif Text", serif;
    font-weight: 400;
    font-style: italic;


}

.navbar-brand {
    text-decoration: underline;
    text-shadow: white;
    



}

.navbar-brand:hover {
    background-color: greenyellow;



}

.list-group{
    display: none;
    width: 100%;
    height: auto;
}

#btn-menu {
    background-color: aqua;
    border-radius: 5px;
    border: 1px solid white;
    padding: 0.5rem;
}

#btn-menu:hover {
    background-color: yellowgreen;
}

header {
    width: 100%;
    height: auto;

}

.container_down {
    background-color: lightgray;
    width: 100%;


}

.text {

    font-family: "DM Serif Text", serif;
    font-weight: 400;
    font-style: italic;
    text-align: right;
    padding-right: 0.5rem;
    padding-top: 0.5rem;



}

#subtitle {
    font-size: 1rem;


}

#footer {
    text-decoration: underline;

}

a {
    text-decoration: none;
    color: black;
}

.btn-3 {
    width: 1.5rem;
    display: inline-block;
}

.btn-3:hover {
    background-color: #fff;
}

.endnote {

    background-color: #fff;
    padding-left: 1rem;
    font-size: 1rem;
    font-style: italic;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 400;

}

#endnote-left {
    padding-top: 2rem;
    padding-left: 0.5rem;
}

.bolum {
    border: 1px solid red;
    overflow: auto;
    padding-top: 10px;
    padding-left: 10px;
    padding-bottom: 10px;
    background-color: bisque;
}

#hakkimda_resim {
    width: 12rem;
    float: right;
    margin-right: 20px;
}

.makale-item {
    position: relative;
    overflow: auto;
    width: 16rem;
    margin-left: 1rem;
    margin-top: 1rem;
    display: inline-block;
  
  }
  
  .img-fluid-p {
      max-width: 15rem;
      height: auto;
  }
  
  .makale-item img{
      display: block;
      border-radius: 13px;
  }
  
  .img-overlay{
      position: absolute;
      top: 0;
      left: 0;
      height: auto;
      width: 15rem;
      
     
  }
  
  .img-overlay .icon{
      color: #fff;
      font-size: 3rem;
      position: absolute;
      transform: translate(-50%, -50%);
      margin-top: 9rem;
      margin-left: 7.5rem;
     
  }
  
  .makale-item:hover .img-overlay{
      opacity: 0.8;
      border-radius: 13px;
  }
#diabet{
    overflow: auto;
    margin-bottom: 3.25rem;
}

#expenditure{
    margin-bottom: 1.5rem;
}

#ibn-sina{
    margin-bottom: 4.5rem;
}

header{
    background-color: bisque;
}

.kitap{
    width: 25rem;
   display: inline-block;
   padding-left: 1rem;
}

#kitap2{
    padding-left: 1rem;
 padding-bottom: 1rem;
}

#hipertansiyon{
    margin-bottom: 1.5rem;
   

}


#life_expectancy{
    margin-bottom: 1.5rem;
}

#up{
  
    position: inherit;
    float: right;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}