@import url('https://googleapis.com/css?family=Pooins:200,300,400,500,600,700,800,900&display=swap');
*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}
body
{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #5b40e4;
}
#box
{
    position: relative;
    width: 260px;
    height: 340px;
    transform-style: preserve-3d;
}
#box::before
{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 260px;
    height: 260px;
    background: #fff;
    transform: rotateX(90deg) translateZ(130px);
}

#box::after
{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 260px;
    height: 260px;
    background: rgba(0,0,0,0.15);
    transform: rotateX(90deg) translateZ(-260px);
    filter: blur(4px);
}

#box div
{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}
#box div span
{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    display: flex;
    justify-content: center;
    align-items: center;    
}
#box div span:nth-child(1)
{
    transform: rotateY(0deg) translate3d(0,0,130px);
    background: #f1f1f1;   
}
#box div span:nth-child(2)
{
    transform: rotateY(90deg) translate3d(0,0,130px);
    background: #f8f8f8;   
}

#box div span:nth-child(3)
{
    transform: rotateY(180deg) translate3d(0,0,130px);
    background: #ededed;   
}

#box div span:nth-child(4)
{
    transform: rotateY(270deg) translate3d(0,0,130px);
    background: #f7f7f7;   
}
#box div span .container
{
    text-align: center;
}
#box div span .container .side
{
    display: flex;
    justify-content: center;
    align-items: center;    
}
#box div span .container .side h2
{
    font-size: 5em;
    writing-mode: vertical-lr;
    text-orientation: upright;
    font-weight: 700;
    line-height: 1.2em;
    color: #0e2f56;
}
#box div span .container .side h3
{
    font-size: 2.7em;
    text-transform: uppercase;
    writing-mode: vertical-lr;
    color: #fff;    
    letter-spacing: 0.12em;
    background: #0e2f56;
    padding-top: 20px;
    padding-bottom: 10px;
    font-weight: 300;
}
#box div span .container .side h4
{
    font-size: 2.2em;
    writing-mode: vertical-lr;
    text-orientation: upright;
    text-transform: uppercase;
    line-height: 2em;
    color: #0e2f56;
}