*{
    font-family: 'Trebuchet MS', sans-serif;
}
header,footer,nav{
    background-color: #FF8F00;
    padding: 10px;
    text-align: right;
}
#lewa, #prawa{
    width: 50%;
    height: 400px;
    float: left;
}
#lewa{
    background-color: #FFF8E1;
}
#prawa{
    background-color: #FFECB3;
}
a{
    color: #FFECB3;
    margin-left: 70px;
    font-size: 180%;
    text-decoration: none;
}
a:hover{
    color: white;
    text-decoration: underline;
}
img {
  position: absolute; /* usuwa z normalnego przepływu */
  left: 100px;
  top: 500px;
  z-index: 9999;
}
footer{
    clear: both;
}
.objawy{
    border: 1px dotted black;
    padding: 30px;
    margin: 50px 180px 0px 50px
}

.objawy span:nth-child(2)  { font-size: 120%; }
.objawy span:nth-child(4)  { font-size: 240%; }
.objawy span:nth-child(5)  { font-size: 150%; }
.objawy span:nth-child(7)  { font-size: 160%; }
.objawy span:nth-child(9)  { font-size: 130%; }
.objawy span:nth-child(10) { font-size: 190%; }