.sidebar {
    position:fixed;
    width: 300px;
    height: 100%;
    top: 0;
    left: 0;
    background-color: oklab(99.012% -0.00146 0.0159);
}
header {
    padding: 30px;
}
header img {
    width: 150px;
    height: auto;
}
/* header h1 {
    color:
    font-family:
    font-size:
    line-height:
    margin-bottom:
    */
nav {
    padding: 30px;
}
nav a {
    font-family: "Karla", sans-serif;
    font-size: 12px;
    line-height: 24px;
    color: #291a10;
    display: block;
    margin-bottom: 10px;
}
nav a:hover {
    color: #00536e;
    text-decoration: underline;
}
footer {
    position: absolute;
    bottom: 0;
    left: 0;
    padding: 30px;
}
footer p {
    font-family: "Karla", sans-serif;
    font-size: 18px;
    line-height: 24px;
    color: #291a10;
    margin-bottom: 10px;
}
footer p a {
    color:#291a10
}
footer p a:hover {
    color: #00465e
}
.portfolio {
    padding-left: 300px;
    font-size: 0;
    background-color:#fffcf0;
}
.portfolio a {
    display: inline-block;
    width: 33.33%;
    position: relative;
}
.portfolio a img{
    width: 100%;
    height: auto;

}
.portfolio a .overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color:#00536e;
    top: 0;
    left:0;
    opacity: 0;
    transition: .3s ease;
}
.portfolio a:hover .overlay {
    opacity: 0.6;
}
.portfolio a .overlay p {
    font-family: "Karla", sans-serif;
    font-size:30px;
    color:#1f130b;
    position: absolute;
    width: 100%;
    text-align: center;
    top: 50%;
    margin-top: -15px;
}
.footer-mobile {
    display:none;
}
.curriculum {
    padding-left: 300px;
    background-color: #fffcf0;
}
.curriculum p {
    font-family: "Karla", sans-serif;
    font-size: 15px;
    line-height: 24px;
    color: #291a10;
    margin-bottom: 10px;
}
.curriculum h1 {
    font-family: "Karla", sans-serif;
    font-size: 24px;
    color:#643f28;
    margin-bottom: 10px;
    font-weight: 700;
}
.curriculum h1 span {
    font-family: "Karla", sans-serif;
    font-size: 24px;
    color:#00465e;
    margin-bottom: 10px;
    font-weight: 700;
}
.curriculum h3 {
    font-family: "Karla", sans-serif;
    font-size: 19px;
    color: #291a10;
    margin-bottom: 10px;
}
.curriculum h4 {
    font-family: "Karla", sans-serif;
    font-size: 16px;
    color: #291a10;
    margin-bottom: 10px;
}
.curriculum ul {
    font-family: "Karla", sans-serif;
    font-size: 15px;
    line-height: 24px;
    color: #291a10;
    margin-bottom: 10px;
}
.curriculum p strong {
    font-family: "Karla", sans-serif;
    font-size: 16px;
    line-height: 24px;
    color: #291a10;
    margin-bottom: 10px;
}
@media screen and (max-width: 990px) {
    .portfolio a {
        width: 50%;
    }
}
@media screen and (max-width: 768px) {
    .sidebar {
        position: static;
        width: 100%;
        height: auto;
    }
    .portfolio {
        padding-left: 0;
    }
    .curriculum {
    padding-left: 0;
    }
    footer {
        display: none;
    }
}
@media only screen and (max-width: 480px) {
    header img {
        width: 90px;
        display: block;
        margin: auto;
    }
    .footer-mobile {
        display: block;
        padding-top: 10px;
    }
    .footer-mobile p {
        font-family: "Karla", sans-serif;
        font-size: 18px;
        line-height: 21px;
        color: #291a10;
        margin-bottom: 12px;
        text-align: center;
    }
    .footer-mobile p a {
        color:#291a10
    }
    .footer-mobile p br {
        display: none;
    }
}