header {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    /*border: 1px solid black;*/
    position: fixed;
    width: 100%;
    top: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .11) !important;
    background-color: #fff;
    z-index: 5;
}

header .logo {
    cursor: pointer;
    height: 50px;
    width: 50px;
    overflow: hidden;
    border-radius: 8px;
}

header .logo img {
    width: 100%;
    transform: scale(2);
}

header .nav {
    display: flex;
    align-items: center;
}

header .nav a {
    color: #0071bc;
    text-decoration: none;
    padding: 0px 15px;
    font-size: 18px;
    font-weight: bold;
}

header .nav a:hover {
    color: #085081;
    text-decoration: underline;
}


header .connection .connect {
    display: flex;
    align-items: center;
}

header .connection .connect button {
    padding: 10px 15px;
    font-size: 18px;
    font-weight: bold;
    outline: none;
    border: 1px solid #0071bc;
    background-color: #fff;
    color: #0071bc;
    margin: 0 5px;
    border-radius: 15px;
    cursor: pointer;
}

header .connection .connect button:nth-child(1) {
    border: 1px solid #2d89c6;
    background-color: #2d89c6;
    color: #fff;
}

header .connection .connect button:hover {
    border: 1px solid #1a4e70;
    background-color: #1a4e70;
    color: #fff;
}



header .connection .profile {
    display: flex;
    align-items: center;
}

header .connection .profile .profile-picture {
    overflow: hidden;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin: 0 8px;
    outline: 1px solid black;
}

header .connection .profile .profile-picture img {
    width: 100%;
}

header .connection .profile .username span {
    margin: 0 10px;
    cursor: pointer;
}

header .connection .profile .username ul {
    display: none;
    list-style: none;
    position: absolute;
    top: 55px;
    right: 5px;
    background-color: #ececec;
    padding: 5px 8px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, .31) !important;
}

header .connection .profile .username ul li {
    font-size: 16px;
    padding: 5px 8px;
    margin: 3px 0;
    cursor: pointer;
}

header .connection .profile .username ul li:hover {
    background-color: #fff;
}



@media (max-width:770px) {
    header {
        height: 50px;
    }

    header .logo {
        height: 30px;
        width: 30px;
        border-radius: 4px;
    }

    header .logo img {
        width: 100%;
        transform: scale(2);
    }

    header .nav a {
        font-size: 12px;
        padding: 0 5px;
    }

    header .connection .connect button {
        font-size: 12px;
        padding: 6px 8px;
        margin: 0 2px;
    }

    header .connection .profile .profile-picture {
        width: 30px;
        height: 30px;
        margin: 0;
    }

    header .connection .profile .username span{
        margin: 0 0 0 5px;
    }

    header .connection .profile .username ul {
        top: 50px;
    }
}

@media (max-width:426px) {}

@media (max-width:376px) {}