.btn {
    font-size: $font-size - 1px; 
	&.btn-default{
		color: $gray-600;
        background-color: $white;
        border-color: $gray-100;
        padding: 6px 18px;
    }
    &.btn-secondary {
        @include box-shadow(0 1px 1px 0 rgba($dark, 0.06));
    }    
    
    &.btn-square {
        @include border-radius(0);
    }
    &.box_shadow{
        @include box-shadow(0 7px 10px rgba($dark,0.3));
    }
}