.sd-block-elsevier-button a {
    display: inline-block;
    position: relative;
    max-width: 100%;
    padding: 10px 15px;
    line-height: 1;
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    border-radius: 6px;
    text-decoration: none;
    -webkit-box-shadow: none;
    -moz-box-shadow: none;
    box-shadow: none;
    transition: all 0.2s;
}

.sd-block-elsevier-button a:hover {
    -webkit-box-shadow: none;
    -moz-box-shadow: none;
    box-shadow: none;
    transition: all 0.2s;
}

.sd-block-elsevier-button.rood a {
    border: 2px solid #c51414;
    background-color: #c51414;
    color: #ffffff;
}

.sd-block-elsevier-button.rood a:hover {
    background-color: transparent;
    color: #c51414;
}

.sd-block-elsevier-button.wit a {
    background-color: #fff;
    color: #676767;
    border: 2px solid #fff;
}

.sd-block-elsevier-button.wit a:hover {
    background-color: transparent;
    color: #fff;
}

.sd-block-elsevier-button.grijs a {
    background-color: #676767;
    color: #ffffff;
    border: 2px solid #676767;
}

.sd-block-elsevier-button.grijs a:hover {
    background-color: transparent;
    color: #676767;
}

.sd-block-elsevier-button.links {
    text-align: left;
}

.sd-block-elsevier-button.midden {
    text-align: center;
}

.sd-block-elsevier-button.rechts {
    text-align: right;
}

.sd-block-elsevier-button.marginbottom-0px {
    margin-bottom: 0px;
}

.sd-block-elsevier-button.marginbottom-20px {
    margin-bottom: 20px;
}

.sd-block-elsevier-button.marginbottom-40px {
    margin-bottom: 40px;
}