.page-number{
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 800;
    text-transform: uppercase;
}
.newer-posts,
.older-posts{
    font-size: 15px;
    font-weight: 800;
    line-height: 1.5;
    position: relative;
    display: inline-flex;
    min-width: 100px;
    height: 56px;
    transition: color .3s, background .3s, border .3s;
    vertical-align: top;
    white-space: nowrap;
    text-transform: uppercase;
    border: 1px solid transparent;
    border-radius: 0;
    outline: 0;
    box-shadow: none;
    align-items: center;
    justify-content: center;
    background: none;
    padding: 0;
}
.newer-posts:hover,
.older-posts:hover{
    color: #00b36b;
}
.newer-posts span,
.older-posts span{
    display: none;
}
a.newer-posts:before,
a.older-posts:after {
    font: normal normal normal 14px/1 'Material-Design-Iconic-Font';
   content: '';
    width: 24px;
    height: 24px;
    font-size: 24px;
    line-height: 24px;
    
    justify-content: center;
    align-items: center;
}

a.older-posts:after{
     content: '\f301';
     margin-left: 35px;
}

a.newer-posts:before{
     content: '\f2ff';
     margin-right: 35px;
}