#flex1 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    height: 100px;
}
#flex1 hr {
    font-weight: bold;
    border-width: 1px;
    width: 50%;
}
#flex1 #meni {
    width: 50%;
    background: linear-gradient(to right, #636e6f, #3f4ea4);
    padding: 20px;
    text-transform: uppercase;
}
#flex1 #meni a{
    color: white;
    text-decoration: none;
    margin: 30px;
}
#flex1 #meni a:hover{
    text-decoration: underline;
}
#logo {
    height: 30px;
}
#flex2 {
    display: flex;
    color: white;
    margin: 100px;
}
#flex2 #desno, #flex2 #levo {
    width: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
#flex2 #levo h1 {
    font-size: 100px;
    margin: 0;
}
#flex2 #levo p {
    font-size: 20px;
    width: 35%;
    padding: 20px;
}
#flex2 #desno #exp{
    color: black;
    background-color: white;
    border-radius: 50%;
    width: 40%;
    height: 60%;
}
#flex2 #desno #exp #expTxt {
    text-align: center;
    margin-top: 110px;
    font-size: 30px;
}
body {
    background-image: url(background-home-desktop.jpg);
}
#meniTel, #praviMeniTel {
    display: none;
}

@media screen and (max-width: 750px) {
    body {
        background-image: url(background-home-mobile.jpg);
    }
    #flex1 #meni{
        display: none;
    }
    #flex2 {
        flex-direction: column;
    }
    #flex2 #desno, #flex2 #levo {
        width: 100%;
    }
    #flex2 #levo p {
        width: 100%;
    }
    #flex2 #desno #exp {
        height: 70%;
        width: 90%;
    }
    #flex2 #desno #exp #expTxt {
        margin-top: 10px;
        padding: 50px;
    }
    #meniTel {
        display: block;
        position: absolute;
        right: 10px;
        top: 35px;
    }
    #meniTel button {
        color: white;
        width: 50px;
        height: 50px;
        background-color: transparent;
    }   
    #praviMeniTel {
        display: none;
        background: linear-gradient(to bottom, #636e6f, #3f4ea4);
        flex-direction: column;
        position: absolute;
        width: 40%;
        height: 100%;
        right: 0;
        top: 0;
        padding: 20px;
        z-index: 10;
    }
    #praviMeniTel a {
        margin-top: 10px;
        margin-bottom: 10px;
    }
    #praviMeniTel img {
        width: 20px;
        height: 20px;
        margin-left: 170px;
        top: 0;
    }
}