.mustapha-bg{
    background-image: url('../images/background.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
}

.mustapha-header{
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    transition: all 0.5s ease-in-out;
}

.mustapha-header.toggle{
    background-color: white;
    color: black;
    box-shadow: 0px 0px 3px rgba(0,0,0,0.5);
    transition: background-color 0.5s ease-in-out;
}

a.mustapha-header-items{
    padding: 0px 10px;
    color: white;
}

.mustapha-header.toggle a.mustapha-header-items{
    color: black;
}

a.about-btn{
    background-color: #fff;
    color: #000;
    text-transform: uppercase;
    font-family: "Helvetica";
    padding: calc(12px) calc(35px);
}

.div-bg{
    background-color: #111;
}

.proj-div{
    background-color: #222;
    color: #fff;
}

.proj-div:hover{
    background-color: #2196f3;
}

.proj-div:hover a.visit{
    background-color: #222;
}

.proj-div:hover a.visit:hover{
    background-color: #fff;
    color: #222;
}

.contact-title, a.contact-title{
    color: #2196f3;
    margin-bottom: 8px;
}

iframe{
    max-width: 100%;
    max-height: 100%;
}

.truncate{
    overflow:hidden;
    text-overflow: ellipsis;
    white-space: pre;
}

.border{
    border: 1px solid #ccc;
}

img.img{
    max-width: 100%;
}

img.rounded{
    border-radius: 50%;
}

img.img-round-10{
    border-radius: 10px;
}

.profile-img{
    overflow: hidden;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 2px solid white;
}

.translate-y-50-up{
    transform: translateY(-50%);
}

a.mail{
    background-color: #000;
    color: #fff;
    font-family: "Circular";
    padding: 6px 12px;
    border-radius: 50px;
}

a.mail:hover{
    cursor: pointer;
    background-color: rgb(37, 36, 36);
}

.at-text{
    color: rgb(143, 143, 143);
}

a.link{
    color:rgb(74, 157, 235);
}

a.visit{
    font-family: "Helvetica";
    padding: 10px 35px;
    background-color: rgb(74, 157, 235);
    color: white;
    border-radius: 50px;
}

a.github{
    background-color: black;
}

a.youtube{
    background-color: rgb(221, 63, 63);
}

.margin-left-10, a.margin-left-10{
    margin-left: 10px;
}

.dev-title{
    padding: 10px;
    text-align: center;
    font-family: "Circular";
    border-right: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.dev-title:last-child{
    border-right: none;
}

.dev-title:hover{
    cursor: pointer;
    background-color: rgba(170, 169, 169, 0.3);
}

.dev-title.active{
    border-bottom: 1.5px solid rgb(74, 157, 235);
}

.dev-title.active:hover{
    color:rgb(74, 157, 235);
}

.dev-container{
    padding: 10px;
    display: none;
}

.dev-container.active{
    display: block;
}

.dev-container-title{
    font-family: "Montserrat";
    font-weight: bold;
    border-right: 1px solid #eee;
    padding-right: 10px;
    margin-right: 10px;
    text-transform: capitalize;
}

.dev-list{
    font-family: "Circular";
    background-color:rgb(74, 157, 235);
    color: white;
    padding: 10px;
    margin-right: 10px;
    margin-bottom: 10px;
    text-transform: uppercase;
    border-radius: 5px;
    transform: scale(0.9);
}

.dev-list:hover{
    transform: scale(1);
    cursor: pointer;
}

.card{
    border-bottom: 2px dashed #eee;
}

embed{
    width: 100%;
    min-height: 80vh;
}

@media(max-width: 420px){
    .profile-img{
        width: 100px;
        height: 100px;
    }

    .link-holder{
        display: none;
    }
}

@media(max-width: 620px) and (min-width: 421px){
    .profile-img{
        width: 110px;
        height: 110px;
    }

    .link-holder{
        display: none;
    }
}

@media(max-width: 820px) and (min-width: 621px){
    .profile-img{
        width: 125px;
        height: 125px;
    }
}

/* Multiply by 1.2 */
@media screen and (max-width: 1366px) and (min-width: 1281px){
    .profile-img{
        width: 180px;
        height: 180px;
        border: 2.4px solid white;
    }

    .border{
        border: 1.2px solid #ccc;
    }
}

/* Multiply by 1.25 */
@media screen and (max-width: 1643px) and (min-width: 1367px){
    .profile-img{
        width: 187.5px;
        height: 187.5px;
        border: 2.5px solid white;
    }

    .border{
        border: 1.25px solid #ccc;
    }
}

/* Multiply by 1.3 */
@media screen and (max-width: 1920px) and (min-width: 1643px){
    .profile-img{
        width: 195px;
        height: 195px;
        border: 2.6px solid white;
    }

    .border{
        border: 1.3px solid #ccc;
    }
}

/* Multiply by 1.35 */
@media screen and (max-width: 2048px) and (min-width: 1920px){
    .profile-img{
        width: 202.5px;
        height: 202.5px;
        border: 2.7px solid white;
    }

    .border{
        border: 1.35px solid #ccc;
    }
}

/* Multiply by 1.4 */
@media screen and (max-width: 2176px) and (min-width: 2048px){
    .profile-img{
        width: 210px;
        height: 210px;
        border: 2.8px solid white;
    }

    .border{
        border: 1.4px solid #ccc;
    }
}

/* Multiply by 1.45 */
@media screen and (max-width: 2304px) and (min-width: 2176px){
    .profile-img{
        width: 217.5px;
        height: 217.5px;
        border: 2.9px solid white;
    }

    .border{
        border: 1.45px solid #ccc;
    }
}

/* Multiply by 1.5 */
@media screen and (max-width: 2432px) and (min-width: 2304px){
    .profile-img{
        width: 225px;
        height: 225px;
        border: 3px solid white;
    }

    .border{
        border: 1.5px solid #ccc;
    }
}

/* Multiply by 1.55 */
@media screen and (max-width: 2560px) and (min-width: 2432px){
    .profile-img{
        width: 235.5px;
        height: 235.5px;
        border: 3.1px solid white;
    }

    .border{
        border: 1.55px solid #ccc;
    }
}

/* Multiply by 1.6 */
@media screen and (min-width: 2560px){
    .profile-img{
        width: 240px;
        height: 240px;
        border: 3.2px solid white;
    }

    .border{
        border: 1.6px solid #ccc;
    }
}