body {
    background-color: #ebecf0;
    font-size: medium;
    font-family: Verdana;
    margin: 0 5px;
    padding: 10px 25px;
}
h2 {
    font-family: Verdana;
    color: #36454f;
    font-size: 40px;
}
h3 {
    font-family: Tahoma;
    color: #80848a;
    font-size: 25px;

}
h4 {
    font-family: Tahoma;
    color: #3f4245;
    font-size: 18px;
    margin-top: 5px;
}
p {
    font-family: Georgia;
    margin-top: 15px;
}
li{
    font-family: Georgia;
    margin-top: 4px;
}
ul{
    display: block;
    list-style-position: circle;
    margin-top: 1em;
    margin-bottom: 1em;
    margin-left: 0;
    margin-right: 0;
    padding-left: 20px;
}
h5 {
    font-family: Tahoma;
    font-weight: bold;
    font-size: 13px;
    margin-top: 5px;
}

 * {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    font-family: "Google Sans Regular";
    box-sizing: border-box;
 }
header {
    width: 100%;
    height: 80px;
    background-color: #708090;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 100px;
}
.logo {
    font-size: 28px;
    font-weight: bold;
    color: #fefefe;
}
.logo a {
    color:#fefefe;
}
.logo a:hover{
    color: #3f4245;
}
.hamburger {
    display: none;
}
.nav-bar ul {
    display: flex;
}
.nav-bar ul li a {
    display: block;
    color: #fefefe;
    font-size: 20px;
    padding: 10px 25px;
    border-radius: 50px;
    transition: 0.2s;
    margin: 0 5px;
}
.nav-bar ul li a:hover {
    color: #708090;
    background: #fefefe;
}
.nav-bar ul li a.active {
    color: #708090;
    background: #fefefe;
}
@media only screen and (max-width: 1320px) {
    header {
        padding: 0 50px;
    }
}
@media only screen and (max-width: 1100px) {
    header {
        padding: 0 30px;
    }
}
@media only screen and (max-width: 900px) {
    .hamburger {
        display: block;
        cursor: pointer;
    }
    .hamburger .line {
        width: 30px;
        height: 3px;
        background: #fefefe;
        margin: 6px 0;
    }
    .nav-bar {
        height: 0;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        width: 100vw;
        background: #708090;
        transition: 0.5s;
        overflow: hidden;
    }
    .nav-bar.active {
        height: 350px;
    }
    .nav-bar ul {
        display: block;
        width: fit-content;
        margin: 80px auto 0 auto;
        text-align: center;
        transition: 0.5s;
        opacity: 0;
    }
    .nav-bar.active ul {
        opacity: 1;
    }
    .nav-bar ul li {
        margin-bottom: 12px;
    }
         
}
.footer {
    background-color: white;
    color: #708090;
    text-align: center;
    padding: 5px;
    position: flex;
}
.linkedin-icon {
    width: 30px;
    height: 20px;
    vertical-align: middle;
    margin-left: 5px;
}
@media (max-width: 600px) {
    .footer {
        padding: 5px;
    }
    .linkedin-icon {
        width: 15px;
        height: 15px;
    }
}

.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    font-size: 24px;
    color: #fff;
    background-color: #708090;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    text-align: center;
    padding: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    transition: background-color 0.3s;
}

.back-to-top:hover {
    background-color: #36454f;
}