body {
    margin-left: auto;
    margin-right: auto;
    max-width: 1920px;
    width: 100%;
    background-color: rgba(255,255,255,0.8);
    font-family: 'helvetica-neue', helvetica, sans-serif;
    overflow-x: hidden;
}


.content{
    margin: 0 10px;
}

.content h2{
    text-transform:uppercase;
    font-weight: 100;
    font-size: 22px;
    margin: 0;
    margin-bottom: 4%;
    font-family: 'gilbert', sans-serif;
    font-weight: 700;
    font-style: normal;
    
}

.coloring{
    font-family: 'gilbert', sans-serif;
    font-weight: 700;
    font-style: normal;
}
.courses{
    width: 100%;
    margin-left: auto;
    margin-right: 10px;
    margin-bottom: 20px;
    display: block;
    overflow: hidden;
}

.course{
    width: 20%;
    float: left;
    margin: 0 3% 0 2%; 
}

.course img{
    width: 100%;
    margin: 0;
    border-radius:6px;
}

.line-course-full{
        display: block;
        margin: 40px 0 0 0;
        float: left;
        width: 100%;
        height: 40px;

    }

    .line-course{
        display: none;
    }
   

.course .youtube {
    width: 100%;
    min-height: 300px;
}
.empty{
    visibility: hidden;
    width: 0px;
    height: 0px;
    margin: 0px;
    padding: 0px;
}



@media (max-width: 640px){
    body{
        margin: 0;
        background-color: white;
        overflow-x: hidden;
    }
    .content{
        margin: 30px 3% 0 3%;
    }
    
    .content h2{
        margin-bottom: 8%;
        font-size: 32px;
        margin: 0 10% 8% 10%;
        text-align: center;
    }
    .course{
        width: 80%;
        margin: 0 10% 0 10%;
    }
    
    
    .course img{
        width: 100%;
        margin: 30px 0 0 0;
}

    
    .line-course{
        display: block;
        margin: 25px 0 0 25px;
        float: left;
        width: 86%;
        height: 25px;
    }

     .line-course-full{
        display: none;
    }
    .button{
        display: none;
    }
    .enroll-button{
        display: block;
        float: left;
        margin: 0 0 0 -60%;
        font-weight: 900;
        text-shadow: 1px 1px rgba(111,111,111,0.23);
        font-size: 18px;
        color: rgb(245,183,12);
    }
    .course .youtube{
        min-height: 250px;
    }
    .empty{
    visibility: hidden;
    width: 0px;
    height: 0px;
    margin: 0px;
    padding: 0px;
}