.class_px,
.class_pt,
.class_em{
background: #24603F;
padding:0 15px;
height: 45px;
float: left;
line-height: 45px;
margin-right: 15px;
color: #fff;
font-size: 18px;
font-family: ‘Futura LT Pro Medium’;
}

.class_pt{
line-height: 33.881786pt;
}

.class_em{
line-height: 2.5em;
}

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Using Flex

.class_flex{
background: #24603F;
padding: 0 15px;
height: 45px;
float: left;
line-height: 0;
margin-right: 15px;
color: #fff;
font-size: 18px;
font-family: ‘Futura LT Pro Medium’;
display: flex;
align-items: center;
justify-content: center;
}

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