.flex {
    display: flex;
    flex-flow: row;
    flex-wrap: wrap;
}

.content {
    flex-grow: 1;
    flex-basis: 569px;
}

.router-content {
    margin-top: 60px;
}

@media screen and (min-width: 769px) {
    .content {
        margin-left: 200px;
    }
    .project-header {
        width: calc(100% - 200px) !important;
    }
}

.project-header {
    position: fixed;
    padding: 0 20px;
    width: 100%;
    height: 60px !important;
    background-color: #1b314c;
    display: flex;
    justify-content: space-between;
    box-shadow: 0 1px 3px rgba(10, 10, 10, 0.25);
    z-index: 99; 
}

.project-header .branding {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2em;
}

.project-header .info {
    display: flex;
    justify-content: center;
    align-items: center;
}

p {
    color: #F6F6F6;
}

p strong {
    font-weight: bold;
    color: #F6F6F6;
}
.flex {
    display: flex;
    flex-flow: row;
    flex-wrap: wrap;
}

.content {
    flex-grow: 1;
    flex-basis: 569px;
}

.router-content {
    margin-top: 60px;
}

@media screen and (min-width: 769px) {
    .content {
        margin-left: 200px;
    }
    .project-header {
        width: calc(100% - 200px) !important;
    }
}

.project-header {
    position: fixed;
    padding: 0 20px;
    width: 100%;
    height: 60px !important;
    background-color: #1793D3;
    display: flex;
    justify-content: space-between;
    box-shadow: 0 1px 3px rgba(10, 10, 10, 0.25);
    z-index: 99; 
}

.project-header .branding {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2em;
}

.project-header .info {
    display: flex;
    justify-content: center;
    align-items: center;
}

p {
    color: #F6F6F6;
}

p strong {
    font-weight: bold;
    color: #F6F6F6;
}
Change project header BG color
Change project header BG color
