* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
}

/* Global Tags */
h1 { 
    font-size: 2.5rem;
    font-weight: 700;
    color: #2472b3;
}
span {
    font-size: .9rem;
    color: beige;
}

h6 {
    font-size: 1.1rem;
    color: rgb(24,24,49)
}

/* Navigation */

nav {
    position: fixed;
    width: 100%;
    background-color: #ffffff;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 1vw 8vw;
    box-shadow: 2px 2px 10px rgba(179, 167, 167, 0.15);
    z-index: 999;
}

nav img {
    width: 200px;
    cursor: pointer;

}
nav .navigation {
    display: flex;
}
#menu-btn {
    width: 30px;
    height: 30px;
    display: none;

}
#menu-close {
    display: none;
}
nav .navigation ul {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
nav .navigation ul li {
    list-style: none;
    margin-left: 30px;
}
nav .navigation ul li a {
    text-decoration: none;
    color:#91a7c0;
    font-size: 16px;
    font-weight: 500;
}
nav .navigation ul li a.active,
nav .navigation ul li a:hover {
    color: #233c81;
    transition: 0.3s ease;
}

/* Home */
#home {
    background-image: linear-gradient(rgba(9,5,54,0.3), rgba(5,4,45,0.7)), url("images/CAUFoto.jpg");
    width: 100%;
    height: 50vh;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 40px;
}

#home h2 {
    color: #ffff;
    font-size: 2.2rem;
    letter-spacing: 1px;
    padding-top: 30px;
    padding-bottom: 20px;
}

#home p {
    width: 70%;
    color: #fff;
    font-size: 1.3rem;
    font-weight: 300;
    line-height: 20px;
}

#home .btn {
    margin-top: 25px;
}

#home a {
    text-decoration: none;
    font-size: 0.9rem;
    padding: 13px 35px;
    background-color: #ffff;
    font-weight: 600;
    border-radius: 5px;

}

#home a.green {
    color: #ffff;
    background: #049036;
    transition: 0.3s ease;
    opacity: 0.75;


}

#home a.green:hover {
    color: #91a7c0;
    background: #ffff;
}


#home a.yellow {
    color: #ffff;
    background: #d65b8d;
    transition: 0.3s ease;
}

#home a.yellow:hover {
    color: #91a7c0;
    background: #ffff;
}

/* Features */
#features {
    padding: 5vw 8vw 0 8vw;
    text-align: center;
}

#features .fea-base {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px,1fr));
    gap: 1rem;
    margin-top: 40px;
}

#features .fea-box {
    background-color: #bbc3c56e;
    text-align: center;
    padding: 30px;
    border-radius: 10px;
}

#features .fea-box i {
    font-size: 2.3rem;
    color: #91a7c0;
}

#features .fea-base .fea-box.h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color:rgb(245, 18, 162);
    padding-bottom: 13px;
}
#features .fea-box.p {
    font-size: 1rem;
    font-weight: 400;
    color:rgb(172, 37, 122);
}

/* tutors */

#course {
    padding: 8vw 8vw 4vw 8vw;
    text-align: center;
}

#course .course-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px,1fr));
    gap: 1rem;
    margin-top: 50px;
}

#course .courses {
    text-align: start;
    background-color:#fce6e8;
    height: 100%;
    border-radius: 40%;
    text-align: center;
}

#course .courses img {
    width: 80%;
    height: 60%;
    background-size: cover;
    background-position: center;
    margin-top: 30px;
    border-radius: 100px;


}

#course .courses .details {
    padding: 15px 15px 0 15px;
}

#course .courses .details i{
    color: #56570c;
    font-size: 0.9rem;
}
#course .courses .details span {
    color: grey;
}

#tutors {
    padding: 8vw 8vw 4vw 8vw;
    text-align: center;
}

#tutors .tutor-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
    gap: 1rem;
    margin-top: 40px;
}

#tutors .tutor-box .profile {
    background: #c2d5f152;
    padding: 30px 10px;
}


.pro-links {
    margin-top: 10px;
}

.pro-links i {
    padding: 10px 13px;
    border: 1px solid rgb(15, 76, 145);
    cursor: pointer;
    transition: 0.3s ease;
}

.pro-links i:hover{
    background: #101C32;
    color: antiquewhite;
    border: 1px solid rgb(21,21,100);
    cursor: pointer;
}


/* footer */
footer {
    margin-top: 10vw;;
    padding: 8vw;
    background-color: #101C32;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
}

footer .footer-col{
    padding-bottom: 5px;
}

footer h3 {
    color: #fcdce3;
    font-weight: 600;
    padding: 10px;
}

footer li{
    list-style: none;
    color:#91a7c0;;
    padding: 10px 0;
    font-size: 15px;
    cursor: pointer;
    transition: 0.3s ease;
}

footer a{
    color:#91a7c0;;
    text-decoration: none;
}

footer li:hover{
    color:#4b7cb4;
}

footer .copyright {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    flex-wrap: wrap;
}


footer .copyright p {
    color: #fcdce3;
}

footer .copyright .pro-links {
    margin-top: 0px;
}

footer .copyright .pro-links i {
    background-color: #91a4c0;
    color: #ffff;
}

footer .copyright .pro-links i:hover{
    background-color: #313210;
    color: antiquewhite;
    
}



/* about */
/* vorestllungs-Home */
#vorstellung-home {
    background-image: linear-gradient(rgba(9,5,54,0.3), rgba(5,4,45,0.7)), url("images/CAUFoto.jpg");
    width: 100%;
    height: 30vh;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 40px;
}

#vorstellung-home h2 {
    color: #ffff;
    font-size: 2.2rem;
    letter-spacing: 1px;
    padding-top: 100px;
}


#vorstellung-container {
    display: flex;
    align-items: center;
    padding: 8vw 8vw 2vw 8vw;

}

#vorstellung-container .vorstellung-img {
    width: 60%; /* the width of the picture does not change?! Just the space left for the image around on the webpage */
    padding-right: 60px;
}

#vorstellung-container .vorstellung-img img {
    width: 100%;
    height: 100%;
}
#vorstellung-container .vorstellung-text {
    width: 40%;
}

#vorstellung-container .vorstellung-text h2 {
    color:aqua;
    padding-bottom: 15px;
}

#vorstellung-container .vorstellung-text p {
    color:rgb(0, 140, 255);
    font-weight: 300;
}

/* aufgaben seiten  */
#aufg1-home {
    background-image: linear-gradient(rgba(9,5,54,0.3), rgba(5,4,45,0.7)), url("images/CAUFoto.jpg");
    width: 100%;
    height: 30vh;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 60px;
    
}

#aufg1-home h2 {
    color: #fff;
    font-size: 2.2rem;
    letter-spacing: 1px;
    padding-top: 100px;
}




#aufgaben-container {
    padding: 0 2vw;
    text-align: left;
    /*

    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 8vw;
    margin-top: 20px;
    */
}


#aufgaben-container .aufgaben {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px,1fr));
    gap: 2rem;
    grid-row-gap: 50px; 
    margin-top: 20px;
    background-color: #817a7a00;
}
.row-border{
    border-top: 2px solid gray;
    }

#aufgaben-container .aufgaben img {
    height: 95%;
    width: 130%;
    background-size: cover;
    position: center;
    margin-top: 30px;
    border-radius: 19px;
}


#aufgaben-container .aufgaben .post h3 {
    color:#35458a;
    text-align: center;
    padding: 5px 0 5px 0;
}

#aufgaben-container .aufgaben .post p {
    color:#233481;
    text-align: center;
    padding-bottom: 2px;
}

#aufgaben-container .aufgaben .post a {
    text-decoration: none;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 13px 10px;
    margin: 15%;
    background-color: #233481;
    color: aliceblue;
    border-radius: 5px;
    line-height: 45px;

}



#aufgaben-container .aufgaben .post_page {
    padding: 60px 20px;
    margin-bottom: 20px;
}

#aufgaben-container .aufgaben .post_page h3 {
    color:#97b998;
    padding: 15px 0 10px 0;
}

#aufgaben-container .aufgaben .post_page h4 {
    color:#12615d;
    padding: 5px 0;
}

#aufgaben-container .aufgaben .post_page p {
    color:#8f4c01;
    padding-bottom: 10px;
    padding-top: 0;
}

#aufgaben-container .aufgaben .post_page ul {
    color:#000000;
    padding-bottom: 5px;
}


#aufgaben-container .aufgaben .post_page img {
    height: 10%;
    width: 60%;
    background-size: auto;
    background-position: center;
    padding: 0 100px;
    border-radius: 10px;
    margin-top: 0;
    

} 
#aufgaben-container .aufgaben .post_page .rezept{
    height: 555px;
    width: 834px;
    background-size: auto;
    background-position: center;
    padding: 0 100px;
    border-radius: 10px;
    margin-top: 0;
    

} 

#aufgaben-container .aufgaben .post_page a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 13px 35px;
    background-color: #000000;
    color: aliceblue;
    border-radius: 5px;

}

#aufgaben-container .aufgaben .post_page .link {
    text-decoration: underline;
    font-size: medium;
    font-weight: 300;
    background-color: #00000000;
    padding: 0 0;
    color:rgb(0, 140, 255)
}



#aufgaben-container .cate {
    width: 30%;
}
#aufgaben-container .cate h2 {
    padding-bottom: 7px;

}

#aufgaben-container .cate a {
    text-decoration: none;
    color: aquamarine;
    font-weight: 500;
    line-height: 45px;   
}


#aufgaben-container .blogpost {
    width: 70%;
    margin: 0 auto;
}
#aufgaben-container .blogpost p {
    text-align: justify;
}


/* Poster images enlarge upon hover  */
#rightImage
{
    height: 800px;;
    width: 400px;
    float:center;
    position:left;
    padding: 10%;   
}
/*#rightImage:hover img USE For having poster spin around to show short text
{
    
  
}
*
/* Tablet Screen  */
@media (max-width: 769px) {
    nav {
        padding: 15vw 20vw;
    }
    nav img {
        width: 140px;
    }
    #menu-btn {
        display: initial;
    
    }
    #menu-close {
        display: initial;
        font-size: 1.6rem;
        color: white;
        padding: 30px 0 20px 20px;

    }
    nav .navigation ul {
        position: absolute;
        top: 0;
        right: -220px;
        width: 220px;
        background-color: #7e363650;
        backdrop-filter: blur(4.5px);
        border: 1px solid rgba(172, 37, 122, 0.45);
        height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        transition: 0.3s ease;
    }

    nav .navigation ul.active {
        right: 0;
    }

    nav .navigation ul li {
        padding: 20px 0 20px 40px;
        margin-left: 0;
    }
    nav .navigation ul li a {
        color: white;

    }
    #home {
        padding-top: 20px;
    }
    
    #home p {
        width: 90%;
    }
}