body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    background-color: #f1f1f1;
}

#wrapper{
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #f1f1f1;
}


#header {
    display: flex;
    justify-content: space-between;
    background-color: #000;
    color: #fff;
    text-align: left;
    width: 100%;
    height: 100px;
    margin:0;
}

.menu{ 
    display:flex;
    justify-content:space-between;
    margin-right: 50px;
    align-items:center;
}
.menu a {
    -webkit-transition: all 0.3s ease-out;
    -moz-transition: all 0.3s ease-out;
    -o-transition: all 0.3s ease-out;
    transition: all 0.3s ease-out;
    margin-right: 20px;
    color: #fff;
    text-decoration: none;
}

.menu a:hover {
    opacity: 1;
    color: #fff;
}
.menu a:visited {
    opacity: 1;
    color: #fff;
}

.social-icons{ 
    display:flex;
    justify-content:space-between;
    margin-right: 50px;
    align-items:center;
}

.social-icons a {
    -webkit-transition: all 0.3s ease-out;
    -moz-transition: all 0.3s ease-out;
    -o-transition: all 0.3s ease-out;
    transition: all 0.3s ease-out;
    margin-right: 20px;
    color: #fff;
    text-decoration: none;
}

.social-icons a:hover {
    opacity: 1;
    color: #fff;
}
.social-icons a:visited {
    opacity: 1;
    color: #fff;
}