@import url('https://fonts.googleapis.com/css?family=Open+Sans:300,500'); body { font-family: 'Open Sans', sans-serif; } html, body { height: 100%; } h1,.h1 { font-size: 3rem; font-weight: 200; } a, a:hover, a:active { text-decoration: none; color: #fff; } .jumbotron.vertical-center { margin-bottom: 0; /* Remove the default bottom margin of .jumbotron */ background: #757F9A; /* fallback for old browsers */ background: -webkit-linear-gradient(to right, #D7DDE8, #757F9A); /* Chrome 10-25, Safari 5.1-6 */ background: linear-gradient(to right, #D7DDE8, #757F9A); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */ color: #fff; border-radius: 0; } .vertical-center { min-height: 100%; /* Fallback for vh unit */ min-height: 100vh; /* You might also want to use 'height' property instead. Note that for percentage values of 'height' or 'min-height' properties, the 'height' of the parent element should be specified explicitly. In this case the parent of '.vertical-center' is the element */ /* Make it a flex container */ display: -webkit-box; display: -moz-box; display: -ms-flexbox; display: -webkit-flex; display: flex; /* Align the bootstrap's container vertically */ -webkit-box-align : center; -webkit-align-items : center; -moz-box-align : center; -ms-flex-align : center; align-items : center; /* In legacy web browsers such as Firefox 9 we need to specify the width of the flex container */ width: 100%; /* Also 'margin: 0 auto' doesn't have any effect on flex items in such web browsers hence the bootstrap's container won't be aligned to the center anymore. Therefore, we should use the following declarations to get it centered again */ -webkit-box-pack : center; -moz-box-pack : center; -ms-flex-pack : center; -webkit-justify-content : center; justify-content : center; }