.container-left {
    position: relative;
    width: 50%;
    height: 100%;
    float: left;
    color: #fff;
    z-index: 1;
    overflow: hidden;
}

.container-right {
    position: relative;
    width: 50%;
    height: 100%;
    float: left;
    color: #fff;
    z-index: 1;
    overflow: hidden;    
}

.container-left .bild {
    position: relative;
    width: 100%;
    height: 100%;
    background-image: url('../images/home_hochsaison.jpg');
    background-position: center;
    background-size: cover;
    z-index: 1;
    transition: all .5s;
}

.container-right .bild {
    position: relative;
    width: 100%;
    height: 100%;
    background-image: url('../images/home_ig.jpg');
    background-position: center;
    background-size: cover;
    z-index: 1;
    transition: all 1s;
}

.container-left:hover .bild,
.container-left:focus .bild,
.container-right:hover .bild,
.container-right:focus .bild {
  transform: scale(1.05);
}

a, a:hover, a:visited, a:active {
    color: #fff;
}

.logo-centered {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 3;
}

.logo-centered img {
    max-width: 150px;
    margin-bottom: 1em;
}

a.home-button {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 4px;
    border: 2px solid white;
    padding: 35px 0;
    width: 350px;
    text-align: center;
    z-index: 4;
}

.gradient-overlay-right {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: -moz-linear-gradient(left,  rgba(4,11,41,1) 0%, rgba(4,11,41,0) 100%); 
    background: -webkit-linear-gradient(left,  rgba(4,11,41,1) 0%,rgba(4,11,41,0) 100%); 
    background: linear-gradient(to right,  rgba(4,11,41,1) 0%,rgba(4,11,41,0) 100%); 
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#040b29', endColorstr='#00040b29',GradientType=1 );
    z-index: 2;
}

.gradient-overlay-left {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    right: 0;
    background: -moz-linear-gradient(left,  rgba(4,11,41,0) 0%, rgba(4,11,41,1) 100%); 
    background: -webkit-linear-gradient(left,  rgba(4,11,41,0) 0%,rgba(4,11,41,1) 100%); 
    background: linear-gradient(to right,  rgba(4,11,41,0) 0%,rgba(4,11,41,1) 100%); 
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00040b29', endColorstr='#040b29',GradientType=1 );
    z-index: 2;
}

h3 {
    font-size: 3rem;
    letter-spacing: 10px;
    line-height: 1.2;
}

h3.yellow {
    color: #fecb2e;
}

@media screen and (max-width : 1600px)  {
    a.home-button {
        transform: translate(0, -50%);
        padding: 30px 0;
        width: 300px;
    }

    a.home-button.right {
        left: auto;
        right: 20%;
    }

    a.home-button.left {
        left: 20%;
    }

    h3 {
        font-size: 2.75rem;
    }
}

@media screen and (max-width : 1400px)  {
    h3 {
        font-size: 2.25rem;
        letter-spacing: 8px;
    }

    a.home-button {
        padding: 25px 0;
        width: 275px;
        transform: translate(0, -50%);
    }

    a.home-button.right {
        left: auto;
        right: 15%;
    }

    a.home-button.left {
        left: 15%;
    }

    .logo-centered img {
        max-width: 125px;
    }
}

@media screen and (max-width : 1100px)  {
    a.home-button {
        padding: 20px 0;
        width: 225px;
        transform: translate(0, -50%);
        font-size: 0.9rem;
        letter-spacing: 3px;
    }

    a.home-button.right {
        left: auto;
        right: 10%;
    }

    a.home-button.left {
        left: 10%;
    }

    h3 {
        font-size: 2rem;
        letter-spacing: 8px;
    }

    .logo-centered img {
        max-width: 125px;
    }
}

@media screen and (max-width : 800px) and (orientation: portrait) {
    .container-left {
        width: 100%;
        height: 50%;
        background-position: center top;
    }

    .container-right {
        width: 100%;
        height: 50%;
        background-position: center top;
    }

    a.home-button {
        padding: 20px 0;
        width: 275px;
        transform: translate(-50%, -50%);
    }

    a.home-button.right {
        left: 50%;
        right: auto;
    }

    a.home-button.left {
        left: 50%;
    }


    h3 {
        font-size: 1.5rem;
        letter-spacing: 6px;
        white-space: nowrap;
    }

    .logo-centered img {
        max-width: 100px;
    }

    .gradient-overlay-left {
        top: auto;
        bottom: 0;
        background: -moz-linear-gradient(top,  rgba(4,11,41,0) 0%, rgba(4,11,41,1) 100%); 
        background: -webkit-linear-gradient(top,  rgba(4,11,41,0) 0%,rgba(4,11,41,1) 100%); 
        background: linear-gradient(to bottom,  rgba(4,11,41,0) 0%,rgba(4,11,41,1) 100%); 
        filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00040b29', endColorstr='#040b29',GradientType=0 );
    }

    .gradient-overlay-right {
        background: -moz-linear-gradient(top,  rgba(4,11,41,1) 0%, rgba(4,11,41,0) 100%); 
        background: -webkit-linear-gradient(top,  rgba(4,11,41,1) 0%,rgba(4,11,41,0) 100%);
        background: linear-gradient(to bottom,  rgba(4,11,41,1) 0%,rgba(4,11,41,0) 100%);
        filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#040b29', endColorstr='#00040b29',GradientType=0 );
    }
}


@media screen and (max-width : 450px)  {
    .logo-centered img {
        max-width: 75px;
        margin-bottom: 0;
    }

    h3 {
        font-size: 1rem;
        letter-spacing: 4px;
    }

    a.home-button {
        padding: 15px 0;
        width: 200px;
        border-width: 1px;
        font-size: 0.8rem;
    }
}