@charset "utf-8";
html {
    font-size: 62.5%;
    width: 100%;
    min-width: 1000px;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1.5em;
    font-weight: 400;
    line-height: 1.0;
    color: #333;
}

header,
footer,
main,
section,
.inner {
    padding: 20px;
}

p {
    text-align: center;
}

.link {
    height: 56px;
    width: 100%;
    background: #ccc;
    top: 0;
    margin-left: 5px;
    border: 1px solid #ccc;
    line-height: 56px;
    text-align: center;
    overflow: hidden;
}

.link button {
    background-color: inherit;
    float: center;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 14px 16px;
    transition: 0.3s;
    font-size: 17px;
}

.link button:hover {
    background-color: #ddd;
    color: black;
}

.link button.active {
    background-color: #4CAF50;
    color: white;
}

.fa {
    padding: 10px;
    font-size: 10px;
    width: 10px;
    text-align: center;
    text-decoration: none;
    margin: 5px 2px;
    border-radius: 50%;
    vertical-align: middle;
}

.fa:hover {
    opacity: 0.7;
}

.fa-facebook {
    background: #3B5998;
    color: white;
}

.fa-twitter {
    background: #55ACEE;
    color: white;
}

.fa-google {
    background: #dd4b39;
    color: white;
}

#myBtn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 18px;
    border: none;
    outline: none;
    background-color: red;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 50%;
}

#myBtn:hover {
    background-color: #555;
}

#three-column {
    display: flex;
}

#three-column aside {
    background: #aaa;
    padding: 20px;
}

#three-column aside.column-1 {
    width: 300px;
    margin-right: 20px;
    background: url(images/hero.jpg);
    background-attachment: fixed;
    background-position: center;
}

#three-column aside.column-3 {
    width: 300px;
    margin-left: 20px;
    background: url(images/service.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: right;
    background-color: #EAECEE;
}

#three-column .content {
    width: 300px;
    margin: auto;
    background: #aaa;
    padding: 20px;
    height: 800px;
    background: url(images/soudan.png);
    background-repeat: no-repeat;
    background-size: auto;
    background-position: center;
    background-color: white;
}

input[type=text],
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    margin-top: 6px;
    margin-bottom: 16px;
    resize: vertical;
}

input[type=submit] {
    background-color: black;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

input[type=submit]:hover {
    background-color: #45a049;
}

.container {
    border-radius: 5px;
    background-color: #f2f2f2;
    padding: 20px;
}