body{
    margin: 0;
    padding: 0;
    background-image: url("../images/concrete_seamless.png");
    background-repeat: repeat;
    font-family: 'Arial', 'Helvetica Neue', Helvetica, sans-serif;
}
.content {
    min-height: calc(100vh - 50px);
  }

/* Style for Header    */
header{
    background-color: white;
    margin:0;
    border-bottom: 2px solid #777;  
}
.header_menu {
    width: 1000px;
    margin:0 auto;
}
.header_menu::after {
    content: "";
    display: block;
    clear: both;
}
.your_name {
    color:white;
    background-color: #4aaaa5;
    font-family: 'Georgia', Times, Times New Roman, serif;
    padding: 20px;
    float: left;
    font-size: 18pt;
}

/* Style for link menu */
ul {
    list-style-type: none;
    margin: 0;
    padding:20px 0;
  }  
li {
    float: left;
  }
  
  li a {
    display: block;
    color: #777;
    text-align: center;
    padding: 4px 16px;
    text-decoration: none;
  }
  li a:hover {
    background-color: #4aaaa5;
    color:white;
  }
.menu_link {
    float:right;
    padding: 20px 0;
}
.menu_link li {
    color: #555;
    border-right: 1px solid #999;
}
.menu_link li:last-child {
    border-right: none
}

/* Style of Information Section */
section {
    width: 960px;
    background-color: white;
    padding: 20px;
    margin:30px auto;
}
.section_info::after {
    content: "";
    display: block;
    clear: both;
}
hr {
    border: 0;
    height: 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* Style For index.html file */
img{
    float: left;
    margin-right: 20px;
}
.profile_photo {
    width: 200px;
}
h1 {
    color: #4aaaa5;
    font-family: 'Georgia', Times, Times New Roman, serif;
}
p {
    margin: 20px 0 0 0;
}

/* Style for Contact.html */
label {
    font-size: 10pt;
    color: #666;
}
input[type=text] {
    color: #777;
    font-size: 8pt;
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    box-sizing: border-box;
  }
  textarea {
    width: 100%;
    height: 120px;
    padding:10px;
    margin: 5px 0;
    box-sizing: border-box;
    border: 1px solid #ccc;
    font-size: 8pt;
    color: #777;
    resize: none;
  }
  input[type=submit] {
    background-color: #4aaaa5;
    color: white;
    padding: 10px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
  }
/* Style for Portfolio.html */

div.gallery_photo {
    position: relative;
    margin: 5px;
    border: 1px solid #ccc;
    float: left;
    width: 240px;
    max-height: 320px;
  }
  
  div.gallery_photo img {
    width: 100%;
    height: 100%;
    max-height: 320px;
    flex: 1;
    object-fit: cover;
  }
  
  div.gallery_title {
    background-color: #4aaaa5; 
    position: absolute;
    width:210px;
    bottom: 10px;
    padding: 15px;
    text-align: center;
    color:white;
  }
/* Style for Footer */

.copyright {
    position: absolute;
    bottom:0;
    right: 50%;
    transform: translate(0%,-50%);
    }
.footer {
    position: relative;
    margin: 0;
    text-align: center;
    font-size:6pt;
    color:white;
    background-color: #777777;
    height: 50px;
    border-top:8px solid #4aaaa5;
  }