.center {
    margin-left: auto;
    margin-right: auto;
}

table {
    border-collapse: collapse;
    margin: 20px 0;
}

td, th {
    border: 1px solid black;
    padding: 5px 10px;
}


#chkt {
    overflow: scroll;
    color: black;
    height: 900px;
    width:100%;
    padding: 1%;
    overflow:scroll;
}

body {
    /*font-family: Arial;*/
    font-size: 17px;
    padding: 8px;
    overflow: scroll;
}

h2 {
    /*font-family: Arial;*/
    text-align: center;
}

* {
    box-sizing: border-box;
}

.row {
    display: -ms-flexbox; /* IE10 */
    display: flex;
    -ms-flex-wrap: wrap; /* IE10 */
    flex-wrap: wrap;
    margin: 0 -16px;
}

.col-25 {
    -ms-flex: 25%; /* IE10 */
    flex: 25%;
}

.col-25 {
    padding: 0 16px;
}



input[type=text] {
    width: 100%;
    margin-bottom: 20px;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

label {
    margin-bottom: 10px;
    display: block;
}

.icon-container {
    margin-bottom: 20px;
    padding: 7px 0;
    font-size: 20px;
}

.btn {
    background-color: #2B2B2B;
    color: white;
    padding: 12px;
    margin: 10px 0;
    border: none;
    width: 100%;
    border-radius: 3px;
    cursor: pointer;
    font-size: 17px;
}

.btn:hover {
    background-color: #4B6587;
}

a {
    color: #2B2B2B;
}

a:hover {
    color: #4B6587;
}
hr {
    border: 1px solid lightgrey;
}

span.price {
    float: right;
    color: grey;
}

/* Responsive layout - when the screen is less than 800px wide, make the two columns stack on top of each other
 instead of next to each other (also change the direction - make the "cart" column go on top) */
@media (max-width: 800px) {
    #chkt{
        overflow: auto;
    }
    .row {
        flex-direction: column-reverse;
    }
    .col-25 {
        margin-bottom: 20px;
    }
}