body {
    margin: 0;
    padding: 0;
    background-color: #fafafa;
    color: #333;
    font-family: Source Sans Pro, Helvetica Neue, Helvetica, Arial, sans-serif;
    font-family: "Merriweather", "PT Serif", Georgia, "Times New Roman", serif;
    min-height: 100vh;
}

.container {
    max-width: 798px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 15px;
    padding-right: 15px;
}

.introduction {
    display: flex;
    flex-direction: column;
}

.introduction img {
    border-radius: 30px;
    margin-bottom: 40px;
    max-width: 500px;
    width: 100%;
}

.reference {
    margin-bottom: 60px;
}

@media screen and (max-width: 767px) {
    .reference {
        margin-bottom: 40px;
    }
}

.project-tech-stack {
    display: flex;
    flex-wrap: wrap;
}

.project-tech-stack .logo-wrapper{
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-bottom: 10px;
    font-size: 16px;
}

.project-tech-stack img{
    height: 40px;
    margin-right: 5px;
}

.project-tech-stack .logo-wrapper:not(:last-child){
    margin-right: 10px;
}

#twitter-logo, #linkedin-logo {
    height: 40px;
}

.social-link {
    text-decoration: none;
}

footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 100px;
}

@media screen and (max-width: 767px) {
    footer {
        margin-bottom: 40px;
    }
}

footer h2 {
    font-size: 26px;
}

footer .social-link{
    margin-left: 10px;
    margin-right: 10px;
}