.b {
    display: inline-block;

    font-family: "Roboto";

    transition: background-color .1s linear, color .1s linear;
	outline: none !important;
    cursor: pointer;
}

.b.b-md {
    padding: 12px 33px;

    font-size: 14px;
    line-height: 16px;
    font-family: 'Roboto-medium';
	border-width: 2px;
}

.b.b-lg {
    padding: 25px 72px;

    font-size: 18px;
    line-height: 21px;
    font-family: 'Roboto-black';
    text-transform: uppercase;
	
	border-width: 3px;
}
/**/
.b.b-white {
    color: #0091D1;

    background-color: #fff;
	border-style: solid;
    border-color: #fff;
}
.b.b-white:hover {
    color: #fff;
    background-color: transparent;
}
/**/
.b.b-yellow {
    color: #404040;

    background-color: #ffc107;
	border-style: solid;
    border-color: #ffc107;
}
.b.b-yellow:hover {
    color: #fff;
    background-color: transparent;
}
/**/
.b.b-green {
    color: #fff;

    background-color: #28a745;
	border-style: solid;
    border-color: #28a745;
}
.b.b-green:hover {
    background-color: transparent;
}
/**/
.b.b-grey-border {
    color: #fff;
	
	border-color: rgba(255, 255, 255, 0.5);
	border-style: solid;
	background-color: transparent;
}
.b.b-grey-border:hover {
    color: #0091D1;
    background-color: #fff;
}
/**/
.b.b-white-border {
    color: #fff;

    border-color: #fff;
	border-style: solid;
	background-color: transparent;
}
.b.b-white-border:hover {
    color: #0091D1;
    background-color: #fff;
}
/**/
.b.b-blue-border {
    color: #0091D1;

    background-color: transparent;
	border-style: solid;
    border-color: #0091D1;
}
.b.b-blue-border:hover {
    color: #fff;
    background-color: #0091D1;
}

@media (max-width: 991px) {
	.b.b-lg {
    	padding: 19px 55px;

		font-size: 16px;
		line-height: 19px;
		font-family: 'Roboto-bold';
		text-transform: none;
	}
}