.blank{

}
.blank .topbar-wrapper{
    display: table;
    height: 130px;
    width: 100%;
    text-align: center;
    background-color: #f5f5f5;
    border-bottom: 4px solid #ddd;
}

.blank .topbar-wrapper .plateform-name{
    display: table-cell;
    vertical-align: middle;
    color: #000;
    font-size: 45px;
}
.blank .topbar-wrapper .plateform-name img{
    max-height: 130px;
}

.blank .topbar-wrapper .plateform-name a{
    color: #000;
}
.blank .topbar-wrapper .plateform-name a:hover{
    text-decoration: none;
}

.blank .container{
    margin-top: 10%;
}

.blank .container h1{
    text-align: center;
    font-size: 25px;
    margin-bottom: 25px;
}