* {
    
}
img {
    float: right
}
.szeroki {
    width: 200px;
    border: double;
}

.szerszy {
    width: 200pt;
    border: double;
}
.ex {
    width: 20ex;
    border: double;
}
.em{
    width: 20em;
    border: double
}
.cm{
    width: 2.5cm;
    border: double
}
ul{
    width: 2in;
    border: double;
}
li{
    width: 3.5in;
    margin-left: 25px;
        
}