<section class="col-2 ss-style-triangles"></section>
<section class="color"></section>
<section class="col-3 ss-style-doublediagonal"></section>

*,

*:after,
*::before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

/* General styles and layout */

body {
    background: #2980b9;
    color: #fff;
    font-family: 'Lato', Arial, sans-serif;
}

.container {
    overflow: hidden;
    /* we don't want the pseudo-elements sticking out */
}

.container svg {
    display: block;
}

section {
    position: relative;
    padding: 10em 10%;
    background: #2980b9;
    color: #fff;
    text-align: center;
}

section h2 {
    margin: 0;
    padding: 0;
    font-size: 2.8em;
    font-weight: 400;
}

section p {
    color: rgba(0,0,0,.3);
    font-size: 1.3em;
    line-height: 1.5;
}

.text:first-child {
    text-align: right;
}

.text:nth-child(2) {
    text-align: left;
}

.col-2 .column {
    width: 49%;
}

.col-3 .column {
    padding: 0 1%;
    width: 33%;
    text-align: center;
}

.col-3 .column p {
    padding: 1.4em;
}

.column {
    display: inline-block;
    vertical-align: top;
}

.icon {
    display: block;
    width: 2em;
    height: 2em;
    border-radius: 50%;
    background: rgba(0,0,0,0.1);
    color: #fff;
    text-align: center;
    font-size: 8em;
    line-height: 2em;
    margin: 0 auto;
}

section.color h2 {
    color: #fff;
}

.color {
    background: #3498db;
}

/*** Individual section styles and separators ***/

/* Common style for pseudo-elements */
section::before,
section::after {
    position: absolute;
    content: '';
    pointer-events: none;
}

/* Triangles */
.ss-style-triangles::before,
.ss-style-triangles::after {
    left: 50%;
    width: 100px;
    height: 100px;
    -webkit-transform: translateX(-50%) rotate(45deg);
    transform: translateX(-50%) rotate(45deg);
}

.ss-style-triangles::before {
    top: -50px;
    background: #2980b9;
}

.ss-style-triangles::after {
    bottom: -50px;
    z-index: 10;
    background: inherit;
}

/* Double Diagonal line */

.ss-style-doublediagonal {
    z-index: 1;
    padding-top: 6em;
    background: #2072a7;
}

.ss-style-doublediagonal::before,
.ss-style-doublediagonal::after {
    top: 0;
    left: -25%;
    z-index: -1;
    width: 150%;
    height: 75%;
    background: inherit;
    -webkit-transform: rotate(-2deg);
    transform: rotate(-2deg);
    -webkit-transform-origin: 0 0;
    transform-origin: 0 0;
}

.ss-style-doublediagonal::before {
    height: 50%;
    background: #116094;
    -webkit-transform: rotate(-3deg);
    transform: rotate(-3deg);
    -webkit-transform-origin: 3% 0;
    transform-origin: 3% 0;
}

Below is the output generated by using above HTML and CSS code