body {
    text-align: center;
}

ul {
    list-style-position: inside;
    text-align: left;
}

.content {
    text-align: center;
    margin: auto;
    max-width: 550px;
    width: 90%
}

.navul {
    display: inline-flex;
    list-style-type: none;
}

.navul li {
    float: right;
    margin-right: 30px;
}

.navul a {
    color: darkslategrey;
    text-decoration: none;
}

.navul a:hover {
    text-decoration: underline;
}

.dropdown {
	position: relative;
    max-width: 550px;
    padding: 5px;
    margin: auto;
}

.dropdown-content {
	display: none;
	position: absolute;
    margin-left: 115px;
	background-color: #fdfdfd;
	max-width: 560px;
    width: 90%;
	box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.5);
	z-index: 1;
    text-align: left;
    padding: 6px;
    padding-left: 10px;
}

.dropdown:hover .dropdown-content {display: block;}

.dropdown:hover #s-dropdown-content {display: block;}

footer {
    min-height: 150px;
}

.dropdown:hover {
    padding-left: 35px;
    color: darkslategrey;
}

img {
    width: 20%;
}

.frame {
  position: relative;
  height: 0;
  padding-bottom: 50.25%;
  width: 100%;
}

.frame iframe {
  position: absolute;
  left: 50%;
  transform: translate(-50%, 0); 
  top: 0;
  border: 0;
  width: 56%;
  height: 700px;
  -webkit-overflow-scrolling: touch;
  overflow: auto;
}

/*
*****************************************
*****************************************
*****************************************
*****************MOBILE******************
*****************************************
*****************************************
*****************************************
*/

@media (max-width: 425px) {
    .dropdown:hover #s-dropdown-content {
        display: none;
    }

    hr {
        width: 100%;
        margin: auto;
    }

    img {
        width: 80%
    }

    .navul {
        flex-direction: column;
        align-items: center;
        padding: 0;
    }

    .navul li {
        float: none;
        margin: 5px 0;
    }

    .dropdown-content {
        position: absolute;
        margin-left: -70px;
        width: 90vw;
        max-width: 90vw;
        box-sizing: border-box;
    }

    .frame iframe{
        width: 100%;
    }
}