body 
{
    box-sizing: border-box;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
header {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}
section {
    padding: 20px;
    margin-bottom: 10px;
    background-color: #f0f0f0;
}
h1 {
    margin: 0;
    font-size: 36px;
}
h2 {
    margin-top: 30px;
    font-size: 24px;
}
ul {
    /*margin: 0;
    padding: 0;
    list-style-type: none;*/
    list-style-position: outside;  /*Does the indectation of the second line*/
}
li {
    margin-bottom: 5px;
}

.div1 {
   /* width: 300px;
    height: 100px; */
    border: 1px solid blue;
}
/* Set additional styling options for the columns */
.column {
float: left;
}

/* Set width length for the left, right and middle columns */
.left {
width: 30%;
}

.middle {
width: 30%;
}

.right {
width: 30%;
}

.row:after {
content: "";
display: table;
clear: both;
}

/* Borders for text */
.solid {border-style: solid;}
.dotted {border-style: dotted;}
.dashed {border-style: dashed;}
.solid {border-style: solid;}
.double {border-style: double;}
.groove {border-style: groove;}
.ridge {border-style: ridge;}
.inset {border-style: inset;}
.outset {border-style: outset;}
.none {border-style: none;}
.hidden {border-style: hidden;}
.mix {border-style: dotted dashed solid double;}