.background:before {
    content: "";
    position: fixed;
    left: 0;
    right: 0;
    z-index: -1;
    display: block;
    background-size: 100% 100%;
    background-image: url('ex.jpeg');
    width: 150%;
    height: 150%;
    top: -20px;
    left: -20px;
    -webkit-filter: blur(8px);
    -moz-filter: blur(8px);
    -o-filter: blur(8px);
    -ms-filter: blur(8px);
    filter: blur(8px);
    background-repeat: no-repeat;
}

.content {
    height: 400px;
    width: 700px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: block;
    color: white;
    -webkit-box-shadow: 10px 10px 60px 10px rgba(0, 0, 0, 0.1);
    -moz-box-shadow: 10px 10px 60px 10px rgba(0, 0, 0, 0.1);
    box-shadow: 10px 10px 60px 10px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Roboto Condensed', sans-serif;
    text-align: center;
    vertical-align: middle;
}

.x1 {
    width: 200px;
    height: 150px;
    background-color: #9CB1FF;
    left: 0;
    top: 0;
    position: relative;
    line-height: 150px;
    font-size: 10px;
}

.x2 {
    position: absolute;
    height: 250px;
    width: 300px;
    left: 400px;
    top: 0px;
    background-color: #FFFFFF;
    line-height: 250px;
    color: black;
    font-size: 10px;
}

.x3 {
    position: absolute;
    height: 250px;
    width: 200px;
    left: 0px;
    top: 150px;
    background-color: #6694FC;
    line-height: 250px;
}

.x4 {
    position: absolute;
    height: 150px;
    width: 500px;
    left: 200px;
    top: 250px;
    background-color: #706AF3;
    line-height: 150px;
}

.x5 {
    position: absolute;
    height: 250px;
    width: 200px;
    left: 200px;
    top: 0px;
    background-color: #8593E6;
    line-height: 250px;
}

.block {
    -webkit-animation: scaledown 1s linear;
    -moz-animation: scaledown 1s linear;
    animation: scaledown 1s linear;
    transform-origin: 50% 50%;
    animation-fill-mode: forwards;
}

.block:hover {
    z-index: 100;
    -webkit-animation: scale 1s linear;
    -moz-animation: scale 1s linear;
    animation: scale 1s linear;
    transform-origin: 50% 50%;
    animation-fill-mode: forwards;
}

@keyframes scale {
    0% {
        transform: scale(1.0);
    }
    100% {
        transform: scale(1.1);
        -webkit-box-shadow: 10px 10px 60px 10px rgba(0, 0, 0, 0.1);
        -moz-box-shadow: 10px 10px 60px 10px rgba(0, 0, 0, 0.1);
        box-shadow: 10px 10px 60px 10px rgba(0, 0, 0, 0.1);
    }
}

@keyframes scaledown {
    0% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1.0);
    }
}