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

div#grid.col-4 div.column {
    width: 25%;
    padding-bottom: 10px;
}

body {
    font-family: "Lato", sans-serif;
    background-color: #3e3e3e;
    color: #f1f1f1;
    margin-bottom: 100px;
}

h1 {
    padding-top: 10px;
    text-align: center;
}

h2 {
    margin-top: 20px;
    text-align: left;
}

h3 {
    color: #e8e8e8;
    margin-top: 15px;
    margin-bottom: 15px;
    text-align: left;
}

p {
    margin-top: 5px;
    margin-bottom: 10px;
    font-size: 17px;
}

/*---------------------------------------upper---------------------------------------------*/

header {
    width: 100%;
    height: 50px;
    background-color: #393939;
}

/*---------------------------------------sidebar---------------------------------------------*/

nav {
    height: 100%;
    width: 160px;
    position: fixed;
    top: 0;
    left: 0;
    background-color: #393939;
    padding-top: 100px;
}

nav a {
    padding: 30px 8px 6px 16px;
    text-decoration: none;
    font-size: 25px;
    color: #a5a5a5;
    display: block;
}
nav a:hover {
    color: #f1f1f1;
}

/*---------------------------------------Main---------------------------------------------*/

main,
.gallery {

    margin-left: 160px;
    /* Same as the width of the sidenav */
    padding-left: 40px;

    overflow: auto;

}

.Rembrandt_main {
    float: right;
    width: 30%;
    margin: 20px;
}

/*---------------------------------------footer---------------------------------------------*/

footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: #5f5f5f;
    color: white;
    text-align: center;
}


/*---------------------------------------about---------------------------------------------*/

li a {
    padding: 6px 8px 6px 16px;
    text-decoration: none;
    font-size: 25px;
    color: #a5a5a5;
    display: block;
    font-size: 17px;
}

li a:hover {
    color: #f1f1f1;
}

section {
    padding-top: 10px;
}


/*---------------------------------------known paintings---------------------------------------------*/

table {
    /*border: 5px solid #738b73;*/
    width: 100%;
    margin: auto;

}

td {
    width: 50%;
    /*border: 1px solid gray;*/
    padding: 10px;
    vertical-align: bottom;
    background-color: #5d5d5d;
}

figure img {
    width: 30%;
    float: right;
    text-align: center;

}


/*---------------------------------------contact us---------------------------------------------*/



input,
button,
textarea {
    text-align: left;
    border-radius: 5px;
    outline-style: none;
    padding: 2px 7px;
    box-shadow: none;
}

label {
    padding-left: 15px;
    margin-right: 20px;
}

textarea {
    resize: none;
}

#contactdetails p {
    font-size: 12px;
    margin:0px;
}




/*---------------------------------------gallery---------------------------------------------*/

#gallerycontainer {
    width: 50%;
    /*text-align: left;*/
    margin: 0 auto;
}

.pic {
    width: 33%;
    float: left;
    vertical-align: top;
    /* to avoid small gap */
    background-size: cover;
    border: 1px solid gray;
    cursor: zoom-in;
    position: relative;
    /* for z-index */
}