.heading-section h1{
    font-size: 40px;
    font-weight: 700;
    margin: 0;
}

.heading-section h2 {
    background-color: rgb(226, 228, 219);
    font-size: 25px;
    font-family: Lucida Grande;
    padding:15px;
    margin:60px 0 20px ;
}

.heading-section h3{
    font-size: 20px;
    margin: 10px 0 15px;
    padding: 20px 5px 5px;
    border-bottom: solid 2px rgb(192, 194, 187);
}
.heading-section p, li{
    color: #333;
    font-size: 16px;
}
.heading-section 

img{
    margin: auto;
}

.underline_nb{
    border-bottom: 2px solid red;
}

.markar_nb{
    background: linear-gradient(transparent 50%, rgb(252, 226, 79) 50%);
}

.col-12 ol{
    padding-left:0;
}

.col-12 ul{
    font-size:large;
}

.col-12 h5{
    margin-top:12px;
}

.container {
    max-width: 1400px;
}



@media screen and (max-width: 768px) {
    .heading-section h1 {
        font-size: 30px;
    }
}

@media screen and (max-width: 520px) {
    .heading-section h1 {
        font-size: 20px;
    }
    .heading-section h2 {
        font-size: 18px;
        margin: 40px 0 20px ;
    }
    .heading-section p, li{
        font-size: 14px;
    }
}


table{
    border-color: rgb(186, 186, 186) ;
    width: 100%;
}

th{
    background-color: rgb(217, 217, 217);
    padding: 8px;
    margin: 10px;
    color: #333;
    
}

td{
    padding: 4px;
    color: #333;
}

th, td {
    border: solid 1px #9b9b9b;
}

li{
    font-weight: bold;
}