body
{
    background-color:greenyellow;
}
#fo {
    background-color: aquamarine;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 90%;
    height: 30vh;
    padding: 10px;
    margin: 0 auto;
}
#h, #e, #l1, #l2, #o
{
border:solid 2px green;
height:80%;
width:15%;
margin:0 auto;
text-align:center;
}

#gomb {
    display: flex;
    align-items: center;
    justify-content: center;
   
    height: 50vh;
}
input[type=button]
{
    width:120px;
    height:40px;
    background-color:lightcoral;
    color:darkred;
}
    input[type=button]:hover {
        width: 120px;
        height: 40px;
        background-color: darkred;
        color: lightcoral;
        border:1px solid blue;
    }
    input[type=button]:active {
        width: 120px;
        height: 40px;
        background-color: darkred;
        color: lightcoral;
        border: 2px solid lightblue;
    }